Volkert Dirk Siersma
!!Statistiker, External Lecturer
Forskningsenheden for Almen Praksis
Øster Farimagsgade 5
1353 København K
Section of Biostatistics
Øster Farimagsgade 5 opg. B
1353 København K
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The predictive value of common symptoms in early pregnancy for complications later in pregnancy and at birth
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Kragstrup, Jakob, Overbeck, Gritt, Kriegbaum, Margit & Siersma, Volkert Dirk, 2023, In: Acta Obstetricia et Gynecologica Scandinavica. 102, 1, p. 33-42 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hovedparten af syge børn får paracetamol i løbet af en vinterperiode
Ertmann, Ruth Kirk, Møller, J. J., Waldorff, Frans Boch, Siersma, Volkert Dirk, Reventlow, Susanne & Söderström, M., 14 Jan 2013, In: Ugeskrift for Laeger. 175, 3, p. 130 1 p.Research output: Contribution to journal › Journal article › Research
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Health care experiences in infancy and subsequent frequent illness in 1-year old children
Ertmann, Ruth Kirk, Siersma, Volkert Dirk, Reventlow, Susanne & Söderström, M., 2013, In: Health. 5, 2, p. 259-266 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Factors in early pregnancy predicting pregnancy-related pain in the second and third trimester
Ertmann, Ruth Kirk, Nicolaisdottir, Dagny Ros, Siersma, Volkert Dirk, Overbeck, Gritt, de Voss, Sarah Strøyer, Modin, F. A. & Lutterodt, Melissa C., 2023, In: Acta Obstetricia et Gynecologica Scandinavica. 102, 10, p. 1269-1280 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Psychosocial consequences in the Danish randomised controlled lung cancer screening trial (DLCST)
F. Rasmussen, J., Siersma, Volkert Dirk, H. Pedersen, J. & Brodersen, John Brandt, Jan 2015, In: Lung Cancer. 87, 1, p. 65-72 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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An intervention with access to C-reactive protein rapid test reduces antibiotic overprescribing in acute exacerbations of chronic bronchitis and COPD
F. Strykowski, D., Nielsen, Anni Brit Sternhagen, Llor, C., Siersma, Volkert Dirk & Bjerrum, Lars, 2015, In: Family Practice. 32, 4, p. 395-400 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Physical activity paradox: could inflammation be a key factor?
Feinberg, J. B., Møller, Anne, Siersma, Volkert Dirk, Bruunsgaard, Helle & Mortensen, Ole Steen, 2022, In: British Journal of Sports Medicine. 56, 21, p. 1224-1229Research output: Contribution to journal › Journal article › Research › peer-review
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Perioperative hyperoxia - Long-term impact on cardiovascular complications after abdominal surgery, a post hoc analysis of the PROXI trial
Fonnes, S., Gogenur, I., Sondergaard, E. S., Siersma, Volkert Dirk, Jørgensen, Lars Nannestad, Wetterslev, J. & Meyhoff, Christian Sylvest, 15 Jul 2016, In: International Journal of Cardiology. 215, p. 238-243Research output: Contribution to journal › Journal article › Research › peer-review
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Helicopter vs. ground transportation of patients bound for primary percutaneous coronary intervention
Funder, K. S., Rasmussen, L. S., Siersma, Volkert Dirk, Lohse, N., Hesselfeldt, R., Pedersen, F., Hendriksen, O. M. & Steinmetz, Jacob, 2018, In: Acta Anaesthesiologica Scandinavica. 62, 4, p. 568-578 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Long-term follow-up of trauma patients before and after implementation of a Physician-Staffed Helicopter: a prospective observational study
Funder, K. S., Rasmussen, L. S., Lohse, N., Siersma, Volkert Dirk, Hesselfeldt, R. & Steinmetz, Jacob, Jan 2016, In: Injury. 47, 1, p. 7-13 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The impact of a physician-staffed helicopter on outcome in patients admitted to a stroke unit: a prospective observational study
Funder, K. S., Rasmussen, L. S., Lohse, N., Hesselfeldt, R., Siersma, Volkert Dirk, Gyllenborg, J., Wulffeld, S., Hendriksen, O. M., Lippert, F. K. & Steinmetz, Jacob, 23 Feb 2017, In: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. 25, p. 1-9 9 p., 18.Research output: Contribution to journal › Journal article › Research › peer-review
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Quality of life following trauma before and after implementation of a physician-staffed helicopter
Funder, K. S., Rasmussen, L. S., Hesselfeldt, R., Siersma, Volkert Dirk, Lohse, N., Sonne, A., Wulffeld, S. & Steinmetz, J., Jan 2017, In: Acta Anaesthesiologica Scandinavica. 61, 1, p. 111-120Research output: Contribution to journal › Journal article › Research › peer-review
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Easily Conducted Tests During the First Week Post-stroke Can Aid the Prediction of Arm Functioning at 6 Months
Ghaziani, E., Couppé, Christian, Siersma, Volkert Dirk, Christensen, Hanne Krarup, Magnusson, Stig Peter, Sunnerhagen, K. S., Persson, H. C. & Murphy, M. A., 2020, In: Frontiers in Neurology. 10, 13 p., 1371.Research output: Contribution to journal › Journal article › Research › peer-review
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Electrical somatosensory stimulation followed by motor training of the paretic upper limb in acute stroke: study protocol for a randomized controlled trial
Ghaziani, E., Couppé, Christian, Henkel, C., Siersma, Volkert Dirk, Søndergaard, M., Christensen, Hanne Krarup & Magnusson, Stig Peter, 23 Feb 2017, In: Trials. 18, p. 1-9 9 p., 84.Research output: Contribution to journal › Journal article › Research › peer-review
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Five-year trends in marital stability, academic achievement, and socioeconomic indicators after concussion: a national register study
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2020, In: Journal of Head Trauma Rehabilitation. 35, 2, p. E86-E94 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Premorbid risk factors influencing labour market attachment after mild traumatic brain injury: a national register study with long-term follow-up
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Kragstrup, Jakob, Andersen, L. L., Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2019, In: BMJ Open. 9, 10 p., e027297.Research output: Contribution to journal › Journal article › Research › peer-review
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Labour market attachment dynamics in patients with concussion: a Danish nationwide register-based cohort study
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Waldorff, Frans Boch, Modin, F. A. & Rytter, Hana Malá, 2023, In: BMC Public Health. 23, 1, 11 p., 2493.Research output: Contribution to journal › Journal article › Research › peer-review
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Labour market attachment after mild traumatic brain injury: nationwide cohort study with 5-year register follow-up in Denmark
Graff, H. J., Siersma, Volkert Dirk, Møller, Anne, Kragstrup, Jakob, Andersen, L. L., Egerod, Ingrid Eugenie & Rytter, Hana Malá, 2019, In: BMJ Open. 9, 4, 10 p., e026104.Research output: Contribution to journal › Journal article › Research › peer-review
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Increased health care utilisation in international adoptees
Graff, H. J., Siersma, Volkert Dirk, Kragstrup, Jakob & Petersson, B., Aug 2015, In: Danish Medical Journal. 62, 8, p. 1-6 6 p., A5111.Research output: Contribution to journal › Journal article › Research › peer-review
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Long-term psychosocial consequences of false-positive screening mammography: a cohort study with follow-up of 12–14 years in Denmark
Gram, Emma Grundtvig, Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: BMJ Open. 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The long-term psychosocial consequences of screen-detected ductal carcinoma in situ and invasive breast cancer
Gram, Emma Grundtvig, Manso, T. F. R., Heleno, B., Siersma, Volkert Dirk, Rogvi, J. Á. & Brodersen, John Brandt, 2023, In: The Breast. 70, p. 41-48 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The long-term psychosocial impact of screen-detected DCIS – further support to rename DCIS
Gram, Emma Grundtvig, Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: BMJ Evidence-Based Medicine. 28, Supplement 1Research output: Contribution to journal › Conference abstract in journal › Research
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Long-term psychosocial consequences of breast cancer screening – a matched cohort study
Gram, Emma Grundtvig, Brodersen, John Brandt & Siersma, Volkert Dirk, 2022, In: BMJ Evidence-Based Medicine. 27, Supplement 1, 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
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Maternal pain influences her evaluation of recurrent pain in 6- to 11-year-old healthy children
mxb897, mxb897, Siersma, Volkert Dirk, Nielsen, Kirsten Lykke, Ertmann, Ruth Kirk, Knudsen, Lisbeth E. & Mäkelä, Marjukka, Feb 2016, In: Acta Paediatrica. 105, 2, p. 183-190 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Standard complication screening information can be used for risk assessment for first time foot ulcer among patients with type 1 and type 2 diabetes
Hangaard, S., Rasmussen, A., Almdal, Thomas Peter, Nielsen, A. A., Nielsen, K. E., Siersma, Volkert Dirk & Holstein, P., 2019, In: Diabetes Research and Clinical Practice. 151, p. 177-186 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A catalogue of PROMs in sports science: Quality assessment of PROM development and validation
Hansen, C. F., Jensen, J., Siersma, Volkert Dirk, Brodersen, John Brandt, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine and Science in Sports. 31, 5, p. 991-998 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Are adequate PROMs used as outcomes in randomized controlled trials? an analysis of 54 trials
Hansen, C. F., Jensen, J., Brodersen, John Brandt, Siersma, Volkert Dirk, Comins, J. D. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 5, p. 972-981 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Four of five frequently used orthopedic PROMs possess inadequate content validity: a COSMIN evaluation of the mHHS, HAGOS, IKDC-SKF, KOOS and KNEES-ACL
Hansen, C. F., Jensen, J., Odgaard, Anders, Siersma, Volkert Dirk, Comins, J. D., Brodersen, John Brandt & Krogsgaard, Michael R., 2022, In: Knee Surgery, Sports Traumatology, Arthroscopy. 30, p. 3602–3615 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Anemia is present years before myelodysplastic syndrome diagnosis: Results from the pre-diagnostic period
Hansen, Jakob Werner, Sandholdt, H., Siersma, Volkert Dirk, mxz703, mxz703, Holmberg, S., Bjerrum, O. W., Hasselbalch, Hans Carl, Olivarius, Niels de Fine, Grønbæk, Kirsten & Andersen, Christen Bertel L, Jul 2017, In: American Journal of Hematology. 92, 7, p. E130-E132 3 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Individualised treatment goals in diabetes care
Hansen, Lars J, Olivarius, Niels de Fine, Siersma, Volkert Dirk, Drivsholm, Thomas & Andersen, John Sahl, 2004, In: Scandinavian Journal of Primary Health Care. 22, p. 71-77Research output: Contribution to journal › Journal article › Research › peer-review
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Structured personal care of type 2 diabetes: a 19 year follow-up of the study Diabetes Care in General Practice (DCGP).
Hansen, Lars J, Siersma, Volkert Dirk, Beck-Nielsen, H. & Olivarius, Niels de Fine, 2013, In: Diabetologia. 56, 6, p. 1243-1253Research output: Contribution to journal › Journal article › Research › peer-review
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Encouraging structured personalised diabetes care in general practice
Hansen, Lars J, Olivarius, Niels de Fine, Siersma, Volkert Dirk, Beck-Nielsen, H. & Pedersen, P. A., 2003, In: Scandinavian Journal of Primary Health Care. 21, p. 89-95 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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General practitioners need to pay more attention to their poorly controlled type 2 diabetic patients
Hansen, Lars J, Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2005, In: European Journal of General Practice. 11, p. 81-83Research output: Contribution to journal › Journal article › Research › peer-review
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16-year excess all-cause mortality of newly diagnosed type 2 diabetic patients: a cohort study
Hansen, Lars J, Olivarius, Niels de Fine & Siersma, Volkert Dirk, 2009, In: BMC Public Health. 9, p. 400Research output: Contribution to journal › Journal article › Research › peer-review
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Psychometric properties of brief indexes designed to measure social-cognitive predictors of smoking initiation
Hansen, P. E., Siersma, Volkert Dirk, Ross, L., Mortensen, Erik Lykke, Riegels, M., Tjornhøj-Thomsen, T. & Johansen, C., 2007, In: Drug and Alcohol Dependence. 88, 1, p. 64-74 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of Storage Temperature for B-Type Natriuretic Peptide Concentrations for Primary Healthcare Populations Reply
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, C. L. & Lind, B., 2019, In: Clinical Chemistry. 65, 6, p. 812-813 2 p.Research output: Contribution to journal › Letter › Research › peer-review
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Brain Natriuretic Peptide in Plasma as Predictor of All-Cause Mortality in a Large Danish Primary Health Care Population Suspected of Heart Failure
Hejl, J. L., Grand, Mia Klinten, Siersma, Volkert Dirk, Goetze, Jens P. , Olivarius, Niels de Fine, Andersen, Christen Bertel L & Lind, B., Dec 2018, In: Clinical Chemistry. 64, 12, p. 1723-1731Research output: Contribution to journal › Journal article › Research › peer-review
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Similar cardiovascular risk factor profile in screen-detected and known type 2 diabetic subjects
Heldgaard, P. E., Henriksen, J. E., Sidelmann, J. J., Olivarius, Niels de Fine, Siersma, Volkert Dirk & Gram, J. B., Jun 2011, In: Scandinavian Journal of Primary Health Care. 29, 2, p. 85-91 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Estimation of Overdiagnosis of Lung Cancer in Low-Dose Computed Tomography Screening: A Secondary Analysis of the Danish Lung Cancer Screening Trial
Heleno, B., Siersma, Volkert Dirk & Brodersen, John Brandt, 2018, In: JAMA Internal Medicine. 178, 10, p. 1420-1422 3 p.Research output: Contribution to journal › Letter › Research › peer-review
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Author Reply to Dr. Arleo and to Dr Newell
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, 2015, In: Annals of Family Medicine.Research output: Contribution to journal › Comment/debate › Research
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Waiting time and the psychosocial consequences of false-positive mammography: cohort study.
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, 30 Apr 2015, In: Journal of Negative Results in BioMedicine. 14, 8, p. 1-4 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diagnostic Invasiveness and Psychosocial Consequences of False-Positive Mammography
Heleno, B. M., Siersma, Volkert Dirk & Brodersen, John Brandt, May 2015, In: Annals of Family Medicine. 13, 3, p. 242-249 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Socio-demographic determinants and effect of structured personal diabetes care: a 19-year follow-up of the randomized controlled study diabetes Care in General Practice (DCGP)
Heltberg, Andreas Søndergaard, Siersma, Volkert Dirk, Andersen, John Sahl, Ellervik, Christina, Brønnum-Hansen, Henrik, Kragstrup, Jakob & Olivarius, Niels de Fine, 8 Dec 2017, In: B M C Endocrine Disorders. 17, p. 1-11 11 p., 75.Research output: Contribution to journal › Journal article › Research › peer-review
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Social disparities in diabetes care: a general population study in Denmark
Heltberg, Andreas Søndergaard, Andersen, John Sahl, Kragstrup, Jakob, Siersma, Volkert Dirk, Sandholdt, H. & Ellervik, Christina, 2017, In: Scandinavian Journal of Primary Health Care. 35, 1, p. 54–63 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Predictors of undiagnosed prevalent type 2 diabetes: The Danish General Suburban Population Study.
Heltberg, Andreas Søndergaard, Andersen, John Sahl, Sandholdt, H., Siersma, Volkert Dirk, Kragstrup, Jakob & Ellervik, Christina, Feb 2018, In: Primary Care Diabetes. 12, 1, p. 13-22 10 p., 28964672.Research output: Contribution to journal › Journal article › Research › peer-review
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How does HPV vaccination status relate to risk perceptions and intention to participate in cervical screening? a survey study
Hestbech, Mie Sara, Gyrd-Hansen, D., Kragstrup, Jakob, Siersma, Volkert Dirk & Brodersen, John Brandt, 3 Aug 2016, In: BMC Public Health. 16, p. 1-11 11 p., 708.Research output: Contribution to journal › Journal article › Research › peer-review
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The impact of HPV vaccination on future cervical screening: a simulation study of two birth cohorts in Denmark
Hestbech, Mie Sara, Lynge, Elsebeth, Kragstrup, Jakob, Siersma, Volkert Dirk, Vazquez-Prada Baillet, M. & Brodersen, John Brandt, 14 Aug 2015, In: B M J Open. 5, 8, p. 1-7 7 p., e007921.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of numerical information on intention to participate in cervical screening among women offered HPV vaccination: a randomised study
Hestbech, Mie Sara, Gyrd-Hansen, D., Kragstrup, Jakob, Siersma, Volkert Dirk & Brodersen, John Brandt, 15 Nov 2016, In: Scandinavian Journal of Primary Health Care. 34, 4, p. 401-419 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Participation bias in a randomised trial of screening for lung cancer
Hestbech, Mie Sara, Siersma, Volkert Dirk, Dirksen, A., Pedersen, J. H. & Brodersen, John Brandt, 2011, In: Lung Cancer. 73, 3, p. 325-31 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Moderate-to-high intensity physical exercise in patients with Alzheimer’s disease: a randomised controlled trial.
Hoffmann, K., Sobol, N. A., Frederiksen, K. S., Beyer, N. A-M., Vogel, A. M., Vestergaard, K., Brændgaard, H., Gottrup, H., Lolk, A., Wermuth, L., Jacobsen, S., Laugesen, L. P., Gergelyffy, R. G., Høgh, P., Bjerregaard, E., Andersen, B. B., Siersma, V. D., Johannsen, P., Cotman, C. W., Waldemar, G. & 1 others, , 2016, In: Journal of Alzheimer's Disease. 50, 2, p. 443-453 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Availability of point-of-care culture and microscopy in general practice - does it lead to more appropriate use of antibiotics in patients with suspected urinary tract infection?
Holm, Anne, Siersma, Volkert Dirk, Bjerrum, Lars & Cordoba Currea, Gloria Cristina, Dec 2020, In: The European Journal of General Practice. 26, 1, p. 175-181 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effectiveness of an adaptive, multifaceted intervention to enhance care for patients with complex multimorbidity in general practice: protocol for a pragmatic cluster randomised controlled trial (the MM600 trial)
Holm, Anne, Lyhnebeck, A. B., Rozing, Maarten Pieter, Buhl, S. F., Willadsen, Tora Grauers, Prior, A., Christiansen, Ann-Kathrin Lindahl, Kristensen, J., Andersen, John Sahl, Waldorff, Frans Boch, Siersma, Volkert Dirk, Brodersen, John Brandt, Reventlow, Susanne & MM600 project team, M. P. T., 2024, In: BMJ Open. 14, 2, 11 p., e077441.Research output: Contribution to journal › Journal article › Research › peer-review
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Clinical accuracy of point-of-care urine culture in general practice
Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Frimodt-Møller, N., Siersma, Volkert Dirk & Bjerrum, Lars, Jun 2017, In: Scandinavian Journal of Primary Health Care. 35, 2, p. 170-177 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diagnosis of urinary tract infection based on symptoms: How are likelihood ratios affected by age? a diagnostic accuracy study
Holm, Anne, Siersma, Volkert Dirk & Cordoba Currea, Gloria Cristina, 2021, In: BMJ Open. 11, 1, 7 p., e039871.Research output: Contribution to journal › Journal article › Research › peer-review
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Point of care susceptibility testing in primary care: does it lead to a more appropriate prescription of antibiotics in patients with uncomplicated urinary tract infections? Protocol for a randomized controlled trial
Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Siersma, Volkert Dirk & Bjerrum, Lars, 2015, In: B M C Family Practice. 16, 8 p., 106.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of point-of-care susceptibility testing in general practice on appropriate prescription of antibiotics for patients with uncomplicated urinary tract infection: a diagnostic randomised controlled trial
Holm, Anne, Cordoba Currea, Gloria Cristina, Sørensen, Tina Møller, Jessen, Lisbeth Rem, Frimodt-Møller, N., Siersma, Volkert Dirk & Bjerrum, Lars, Oct 2017, In: B M J Open. 7, 10, 9 p., e018028.Research output: Contribution to journal › Journal article › Research › peer-review
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Development and validation of a condition-specific diary to measure severity, bothersomeness and impact on daily activities for patients with acute urinary tract infection in primary care
Holm, Anne, Cordoba Currea, Gloria Cristina, Siersma, Volkert Dirk & Brodersen, John Brandt, 24 Mar 2017, In: Health and Quality of Life Outcomes. 15, p. 1-8 8 p., 57.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of Implementing the Short-Term Assessment of Risk and Treatability for Mechanical Restraint in a Forensic Male Population: A Stepped-Wedge, Cluster-Randomized Design
Hvidhjelm, J., Brandt-Christensen, M., Delcomyn, C., Møllerhøj, J., Siersma, Volkert Dirk & Bak, J., 2022, In: Frontiers in Psychiatry. 13, 9 p., 822295.Research output: Contribution to journal › Journal article › Research › peer-review
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Management of dyslipidaemia in individuals with severe mental illness: a population-based study in the Greater Copenhagen Area
Høgnason Mohr, G., Barcella, C. A., Grand, Mia Klinten, Kriegbaum, Margit, Siersma, Volkert Dirk, Hahn, M. K., Agarwal, S. M., Bakkedal, Catrine, Baandrup, Lone, Knop, Filip Krag, Andersen, C. L. & Ebdrup, Bjørn, 2023, In: Therapeutic Advances in Psychopharmacology. 13, 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sampling of urine for diagnosing urinary tract infection in general practice–First-void or mid-stream urine?
Hølmkjær, Pernille, Bjerrum, Lars, Mäkelä, Marjukka, Siersma, Volkert Dirk & Holm, Anne, 2019, In: Scandinavian Journal of Primary Health Care. 37, 1, p. 113-119 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The feasibility of C-reactive protein point-of-care testing to reduce overuse of antibiotics in children with acute respiratory tract infections in rural Kyrgyzstan: A Pilot Study
Isaeva, E., Akylbekov, A., Bloch, J., Poulsen, A., Kurtzhals, Jørgen, Siersma, Volkert Dirk, Sooronbaev, T., Aabenhus, Rune Munck & Kjærgaard, J., 2024, In: Pediatric health, medicine and therapeutics. 15, p. 67-76 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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C reactive protein-guided prescription of antibiotics for children under 12 years with respiratory symptoms in Kyrgyzstan: protocol for a randomised controlled clinical trial with 14 days follow-up
Isaeva, E., Bloch, J., Poulsen, A., Kurtzhals, Jørgen, Reventlow, Susanne, Siersma, Volkert Dirk, Akylbekov, A., Sooronbaev, T., Aabenhus, Rune Munck & Kjærgaard, J., 2023, In: BMJ Open. 13, 4, 6 p., e066806.Research output: Contribution to journal › Journal article › Research › peer-review
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Defining the surgical footprint in cataract surgery: patient-related outcomes dependent on the experience of the surgeon
Jacobsen, M. F., Holm, Lars Morten, Erichsen, J. H., Konge, Lars, Siersma, Volkert Dirk, la Cour, Morten & Thomsen, Ann Sofia Skou, 2021, In: Acta Ophthalmologica. 99, 7, p. e999-e1005 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Predictors of visual outcome in patients operated for craniopharyngioma - a Danish national study
Jacobsen, M. F., Thomsen, A. S. S., Bach-Holm, Daniella, Doroudian, G., Nissen, K. R., Fugleholm, Kåre, Poulsgaard, L., Siersma, Volkert Dirk & Heegaard, Steffen, Feb 2018, In: Acta Ophthalmologica. 96, 1, p. 39-45Research output: Contribution to journal › Journal article › Research › peer-review
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The impact of patients' involvement in cooking on their mortality and morbidity: A 19-year follow-up of patients newly diagnosed with type 2 diabetes mellitus.
Jandorf, S., Siersma, Volkert Dirk, Køster-Rasmussen, Rasmus, Olivarius, Niels de Fine & Waldorff, Frans Boch, 2015, In: Scandinavian Journal of Primary Health Care. 33, 1, p. 33-39 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The impact of influences in a medical screening programme invitation: a randomized controlled trial
Jauernik, Christian Patrick, Rahbek, O. J., Ploug, T., Siersma, Volkert Dirk & Brodersen, John Brandt, 2023, In: European Journal of Public Health. 33, 3, 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Cerebrospinal Fluid Amyloid Beta and Tau Concentrations Are Not Modulated by 16 Weeks of Moderate- to High-Intensity Physical Exercise in Patients with Alzheimer Disease
Jensen, C. S., Portelius, E., Siersma, Volkert Dirk, Høgh, Peter, Wermuth, L., Blennow, K., Zetterberg, H., Waldemar, Gunhild, Hasselbalch, Steen & Simonsen, A. H., Oct 2016, In: Dementia and Geriatric Cognitive Disorders. 42, 3-4, p. 146-158 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Patients with Alzheimer's disease who carry the APOE ε4 allele benefit more from physical exercise
Jensen, C. S., Simonsen, A. H., Siersma, Volkert Dirk, Beyer, N., Frederiksen, K. S., Gottrup, H., Hoffman, K., Høgh, Peter, Frikke-Schmidt, Ruth, Sobol, N. A., Waldemar, Gunhild, Wermuth, L. & Hasselbalch, Steen, 2019, In: Alzheimer's and Dementia: Translational Research and Clinical Interventions. 5, 1, p. 99-106 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Paracetamol for feverish children: parental motives and experiences
Jensen, J. F., Tonnesen, L. L., Söderström, M., Thorsen, Hanne & Siersma, Volkert Dirk, 2010, In: Scandinavian Journal of Primary Health Care. 28, 2, p. 115-120 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Association of Maternal Self-Medication and Over-the-Counter Analgesics for Children
Jensen, J. F., Gottschau, M., Siersma, Volkert Dirk, mxb897, mxb897, Holstein, B. E. & Knudsen, Lisbeth E., 1 Feb 2014, In: Pediatrics. 133, 2, p. e291-8 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Using a Deliberative Poll on breast cancer screening to assess and improve the decision quality of laypeople
Jensen, Manja Dahl, Hansen, Kasper Møller, Siersma, Volkert Dirk & Brodersen, John Brandt, 2021, In: PLoS ONE. 16, 10 , 21 p., e0258869.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Direct and indirect healthcare costs of lung cancer CT screening in Denmark: a registry study
Jensen, Manja Dahl, Siersma, Volkert Dirk, Rasmussen, J. F. & Brodersen, John Brandt, 2020, In: B M J Open. 10, 1, 11 p., e031768.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sociodemographic characterisation of antibiotic heavy users in the Danish elderly population
Jensen, Maria Louise Veimer, Aabenhus, Rune Munck, Holzknecht, Barbara Juliane, Bjerrum, Lars, Siersma, Volkert Dirk, Cordoba Currea, Gloria Cristina & Jensen, J. N., 2024, In: Scandinavian Journal of Public Health. 52, 1, p. 51-58 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prior Antibiotic Use Increases Risk of Urinary Tract Infections Caused by Resistant Escherichia coli among Elderly in Primary Care: A Case-Control Study
Jensen, Maria Louise Veimer, Siersma, Volkert Dirk, Søes, L. M., Nicolaisdottir, Dagny Ros, Bjerrum, Lars & Holzknecht, Barbara Juliane, 2022, In: Antibiotics. 11, 10, 11 p., 1382.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ocular graft-versus-host disease and dry eye disease after paediatric haematopoietic stem cell transplantation - incidence and risk factors
Jeppesen, H., Kielsen, K., Siersma, Volkert Dirk, Lindegaard, J., Julian, H. O., Heegaard, Steffen, Sengeløv, Henrik & Muller, Klaus, 2022, In: Bone Marrow Transplantation. 57, p. 487–498 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Replik angående screening för bukaortaaneurysm: Dags för oberoende granskning av det svenska screeningprogrammet
Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2018, In: Lakartidningen. 115, 37, p. 1373 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Benefits and harms of screening men for abdominal aortic aneurysm in Sweden: a registry-based cohort study
Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2018, In: Lancet Oncology. 391, 10138, p. 2441-2447 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Screening for abdominal aortic aneurysm - Authors' reply
Johansson, M., Zahl, P. H., Siersma, Volkert Dirk, Jørgensen, K. J., Marklund, B. & Brodersen, John Brandt, 2019, In: Lancet Oncology. 393, 10166, p. 28 1 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Postoperative Cognitive Dysfunction: Overinterpretation of Data?: In Reply:-
Johnson, T., Rasmussen, L., Korttila, K., Siersma, Volkert Dirk & Canet, J., 2003, In: Anesthesiology. 98, p. 1295Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Postoperative Cognitive Dysfunction in Middle-aged Patients
Johnson, T., Monk, T., Rasmussen, L. S., Abildstrøm, H., Houx, P., Korttila, K., Kuipers, H. M., Hanning, C. D., Siersma, Volkert Dirk, Kristensen, D., Canet, J., Ibanaz, M. T. & Møller, J. T., 2002, In: Anesthesiology. 96, p. 1351-7Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Markers of DNA/RNA damage from oxidation as predictors of a registry-based diagnosis of psychiatric illness in type 2 diabetic patients
Jørgensen, Anders, Siersma, Volkert Dirk, Davidsen, Annette Sofie, Weimann, A., Henriksen, T., Poulsen, Henrik Enghusen & Olivarius, Niels de Fine, Jan 2018, In: Psychiatry Research. 259, p. 370-376 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Optimal volume of local anaesthetic for the adductor canal block: Using the continual reassessment method to estimate the ED95
Jæger, P., Jenstrup, M. T., Lund, J., Siersma, Volkert Dirk, Brøndum, V., Hilsted, K. L. & Dahl, J. B., 2015, In: British Journal of Anaesthesia. 115, 6, p. 920-926 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of Total Dose of Lidocaine on Duration of Adductor Canal Block, Assessed by Different Test Methods: A Report of Two Blinded, Randomized, Crossover Studies in Healthy Volunteers
Jæger, P., Koscielniak-Nielsen, Z. J., Hilsted, K. L., Grevstad, U., Siersma, Volkert Dirk, Fabritius, M. L. & Dahl, J. B., Oct 2016, In: Anesthesia and Analgesia. 123, 4, p. 1026-1032 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- E-pub ahead of print
Development and implementation of a tool for measuring the training effectiveness of the patient-centered consultation mode
Jørgensen, Merete, Thorsen, Hanne, Siersma, Volkert Dirk & Bang, C. W., 2023, (E-pub ahead of print) In: MedEPublish. 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Use of online material in teaching general practice: Brug af online material i undervisningen i almen medicin
Jørgensen, Merete, Witt, K., Mäkelä, Marjukka, Siersma, Volkert Dirk & Bang, C. W., 2022, In: Læring og Medier. 14, 24, 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mobility limitation as determinant of primary care use and ambulatory care sensitive conditions
Jørgensen, Terese Sara Høj, Siersma, Volkert Dirk, Lund, Rikke & Nilsson, Charlotte Juul, 2019, In: European Geriatric Medicine. 10, 1, p. 53-60 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Interplay between financial assets and social relations on decline in physical function and mortality among older people
Jørgensen, Terese Sara Høj, Lund, Rikke, Siersma, Volkert Dirk & Nilsson, Charlotte Juul, 2018, In: European Journal of Ageing. 15, 2, p. 133–142 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intergenerational relations and social mobility: Social inequality in physical function in old age
Jørgensen, Terese Sara Høj, Nilsson, Charlotte Juul, Lund, Rikke, Siersma, Volkert Dirk & Fors, S., Jan 2019, In: Archives of Gerontology and Geriatrics. 80, p. 58-64 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mortality Following Trajectories of Mobility Limitations: The Modifying Impact of Social Factors
Jørgensen, Terese Sara Høj, Siersma, Volkert Dirk, Lund, Rikke & Nilsson, Charlotte Juul, 2020, In: Journal of Aging and Health. 32, 3-4, p. 134-142 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term success after trabeculotomy in primary congenital glaucoma – a study with up to 35 years follow-up
Kessel, Line, Pedersen, K. B., Siersma, Volkert Dirk, Kappelgaard, P. & Bach-Holm, Daniella, 2021, In: Acta Ophthalmologica. 99, 4, p. 362-368 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Increased risk of developing diabetes in depressive and bipolar disorders?
Kessing, L. V., Nilsson, F. M., Siersma, Volkert Dirk & Andersen, Per Kragh, 2004, In: Journal of Psychiatric Research. 38, p. 395-402Research output: Contribution to journal › Journal article › Research › peer-review
- Published
No increased risk of developing depression in diabetes compared to other chronic illness
Kessing, L. V., Nilsson, F. M., Siersma, Volkert Dirk & Andersen, Per Kragh, 2003, In: Diabetes Research and Clinical Practice. 62, p. 113-121Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Family matters: Parental-acquired brain injury and child functioning
Kieffer-Kristensen, R., Siersma, Volkert Dirk & Teasdale, T. W., 2013, In: NeuroRehabilitation. 32, 1, p. 59-68 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The risk of bleeding and perforation from sigmoidoscopy or colonoscopy in colorectal cancer screening: A systematic review and meta-analyses
Kindt, I. S., Martiny, Frederik Handberg Juul, Gram, Emma Grundtvig, Bie, A. K. L., Jauernik, Christian Patrick, Rahbek, O. J., Nielsen, S. B., Siersma, Volkert Dirk, Bang, C. W. & Brodersen, John Brandt, 2023, In: PLoS ONE. 18, 10, 17 p., e0292797.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
To allow or avoid pain during shoulder rehabilitation exercises for patients with chronic rotator cuff tendinopathy-Study protocol for a randomized controlled trial (the PASE trial)
Kjær, B. H., Cools, A. M., Johannsen, F. E., Trøstrup, J., Bieler, T., Siersma, Volkert Dirk & Magnusson, Stig Peter, 2024, In: Trials. 25, 1, 19 p., 135.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of structured personal care on RNA oxidation: A 19-year follow-up of the randomized trial Diabetes Care in General Practice (DCGP)
Kjær, L. K., Grand, Mia Klinten, Siersma, Volkert Dirk, Brødbæk, K., Jørgensen, Anders, Olivarius, Niels de Fine & Poulsen, Henrik Enghusen, 2019, In: Journal of Diabetes and its Complications. 33, 3, p. 202-207Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate
Knudsen, Lisbeth E., Hansen, P. W., Mizrak, S., Hansen, H. K., Mørck, T. A., Nielsen, F., Siersma, Volkert Dirk & Mathiesen, Line, 26 Sep 2017, In: Reviews on Environmental Health. 32, 3, p. 279-290 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Association between perioperative hyperoxia and cerebrovascular complications after laparotomy: A post-hoc follow-up study
Kongebro, E. K., Jørgensen, Lars Nannestad, Siersma, Volkert Dirk & Meyhoff, Christian Sylvest, 2019, In: Acta Anaesthesiologica Scandinavica. 63, 2, p. 164-170Research output: Contribution to journal › Journal article › Research › peer-review
ID: 3512987
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Maternal stress and placental function, a study using questionnaires and biomarkers at birth
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Clinical indications for antibiotic use in Danish general practice: results from a nationwide electronic prescription database
Research output: Contribution to journal › Journal article › Research › peer-review
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326
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Biomonitoring of Danish school children and mothers including biomarkers of PBDE and glyphosate
Research output: Contribution to journal › Journal article › Research › peer-review
Published