Volkert Dirk Siersma

Volkert Dirk Siersma

!!Statistiker, External Lecturer

ORCID: 0000-0003-1941-2681

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  1. Published

    Reply to DeFrank and Brewer

    Brodersen, John Brandt & Siersma, Volkert Dirk, 2 Sep 2013

    Research output: Other contribution › Net publication - Internet publication › Research

  2. Published

    Reply to Consedine

    Brodersen, John Brandt & Siersma, Volkert Dirk, 13 Sep 2013

    Research output: Other contribution › Net publication - Internet publication › Research

  3. Published

    Breast cancer screening: ''reassuring'' the worried well?

    Brodersen, John Brandt, Siersma, Volkert Dirk & Ryle, M., May 2011, In: Scandinavian Journal of Public Health. 39, 3, p. 326-332 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Long-term psychosocial consequences of false-positive screening mammography – a cohort study with 3-year follow-up.

    Brodersen, John Brandt & Siersma, Volkert Dirk, 2013, In: Annals of Family Medicine. 11, p. 106-115 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Consequences of screening in cervical cancer: Development and dimensionality of a questionnaire

    Brodersen, John Brandt, Siersma, Volkert Dirk & Thorsen, Hanne, 2018, In: BMC Psychology. 6, 1, 39.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Consequences of screening in abdominal aortic aneurysm: development and dimensionality of a questionnaire

    Brodersen, John Brandt, Hansson, A., Johansson, M., Siersma, Volkert Dirk, Langenskiöld, M. & Pettersson, M., 2018, In: Journal of Patient-Reported Outcomes. 2, 12 p., 37.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Overdiagnosis of lung cancer with low-dose computed tomography screening: meta-analysis of the randomised clinical trials

    Brodersen, John Brandt, Voss, T., Martiny, Frederik Handberg Juul, Siersma, Volkert Dirk, Barratt, A. & Heleno, B., 2020, In: Breathe. 16, 1, 11 p., 200013.

    Research output: Contribution to journal › Review › Research › peer-review

  8. Published

    Urinary markers of nucleic acid oxidation and long-term mortality of newly diagnosed type 2 diabetic patients

    Broedbaek, K., Siersma, Volkert Dirk, Henriksen, T., Weimann, A., Petersen, M., Andersen, J. T., Jimenez-Solem, E., Stovgaard, E. S., Hansen, Lars J, Henriksen, J. E., Bonnema, S. J., Olivarius, Niels de Fine & Poulsen, H. E., 2011, In: Diabetes Care. 34, 12, p. 2594-2596 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Urinary markers of nucleic acid oxidation and cancer in type 2 diabetes

    Broedbaek, K., Siersma, Volkert Dirk, Henriksen, T. F., Weimann, A., Petersen, M., Andersen, J. T., Solem, E. V. J., Hansen, Lars J, Henriksen, J. E., Bonnema, S. J., Olivarius, Niels de Fine, Friis, S. & Poulsen, Henrik Enghusen, Apr 2015, In: Redox Biology. 4, p. 34-39 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Urinary albumin and 8-oxo-7,8-dihydroguanosine as markers of mortality and cardiovascular disease during 19 years after diagnosis of type 2 diabetes: A comparative study of two markers to identify high risk patients

    Broedbaek, K., Køster-Rasmussen, Rasmus, Siersma, Volkert Dirk, Persson, F., Poulsen, Henrik Enghusen & Olivarius, Niels de Fine, Oct 2017, In: Redox Biology. 13, p. 363-369 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Amputations and foot ulcers in patients newly diagnosed with Type 2 diabetes mellitus and observed for 19 years. The role of age, gender and co-morbidity

    Bruun, C., Siersma, Volkert Dirk, Guassora, Ann Dorrit, Holstein, P. & Olivarius, Niels de Fine, 2013, In: Diabetic Medicine Online. 30, p. 964-972 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Motivation, effort and life circumstances as predictors of foot ulcers and amputations in people with Type 2 diabetes mellitus

    Bruun, C., Guassora, Ann Dorrit, Nielsen, Anni Brit Sternhagen, Siersma, Volkert Dirk, Holstein, P. E. & Olivarius, Niels de Fine, 14 Jul 2014, In: Diabetic Medicine. 31, 11, p. 1468-76 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Long-term functional and structural outcomes in patients with primary congenital glaucoma — A Danish nationwide study

    Brynskov, T., Bach-Holm, Daniella, Kappelgaard, P., Siersma, Volkert Dirk, Pedersen, Karen Bjerg & Kessel, Line, 2024, In: Acta Ophthalmologica. 102, 2, p. 228-237 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Association between urinary markers of nucleic acid oxidation and mortality in type 2 diabetes: a population-based cohort study.

    Brødbæk, K., Siersma, Volkert Dirk, Henriksen, T., Weimann, A., Petersen, M., Andersen, J. T., jiminez-Solem, E., Hansen, Lars J, Henriksen, J. E., Bonnema, S. J., Olivarius, Niels de Fine & Poulsen, Henrik Enghusen, 2013, In: Diabetes Care. 36, p. 669-676 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Cognitive dysfunction after minor surgery in the elderly

    Canet, J., Raeder, J., Rasmussen, L. S., Enlund, M., Kuipers, H. M., Hanning, C. D., Jolles, J., Korttila, K., Siersma, Volkert Dirk, Dodds, C., Abildstrøm, H., Sneyd, J. R., Vila, P., Johnson, T. D., Corsini, L. M., Silverstein, J. H., Nielsen, I. K. & Møller, J. T., 2004, In: Acta Anaesthesiologica Scandinavica. 47, p. 1204-1210

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Monocytosis in primary care and risk of haematological malignancies

    Christensen, M. E., Siersma, Volkert Dirk, Kriegbaum, Margit, Lind, B. S., Samuelsson, J., Østgård, L. S. G., Grønbæk, Kirsten & Andersen, Christen Bertel L, 2023, In: European Journal of Haematology. 110, 4, p. 362-370 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Marked differences in GPs' diagnosis of pneumonia between Denmark and Spain: a cross-sectional study.

    Christensen, S. F., Jørgensen, L. C., Cordoba Currea, Gloria Cristina, Llor, C., Siersma, Volkert Dirk & Bjerrum, Lars, 2013, In: Primary Care Respiratory Journal. 22, 4, p. 454-458 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Effect of a participatory patient education programme (NExt EDucation) in group-based patient education among Danes with type 2 diabetes

    Christoffersen, L. A. N., Hansen, A. K., Pals, R. A. S., Willaing, I., Siersma, Volkert Dirk & Olesen, K., 2020, In: Chronic Illness. 16, 3, p. 226-236 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    The role of physical and cognitive function in performance of activities of daily living in patients with mild-to-moderate Alzheimer’s disease – a cross-sectional study

    Clemmensen, F. K., Hoffmann, K., Siersma, Volkert Dirk, Sobol, N., Beyer, N., Andersen, B. B., Vogel, A., Lolk, A., Gottrup, H., Høgh, Peter, Waldemar, Gunhild, Hasselbalch, Steen & Frederiksen, K. S., 2020, In: BMC Geriatrics. 20, 1, 9 p., 513.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Assessment of content validity and psychometric properties of VISA-A for Achilles tendinopathy

    Comins, J., Siersma, Volkert Dirk, Couppé, Christian, Svensson, R. B., Johansen, F., Malmgaard-Clausen, N. M. & Magnusson, Stig Peter, 2021, In: PLoS ONE. 16, 3, 12 p., 0247152.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Article three in a series of ten How to develop a condition-specific PROM

    Comins, J. D., Brodersen, John Brandt, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine & Science in Sports. 31, 6, p. 1216-1224 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Choosing the most appropriate PROM for clinical studies in sports medicine: Article two in a series of ten

    Comins, J. D., Brodersen, John Brandt, Siersma, Volkert Dirk, Jensen, J., Hansen, C. F. & Krogsgaard, Michael R., 2021, In: Scandinavian Journal of Medicine and Science in Sports. 31, 6, p. 1209-1215 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    KNEES-ACL has superior responsiveness compared to the most commonly used patient-reported outcome measures for anterior cruciate ligament injury

    Comins, J. D., Siersma, Volkert Dirk, Lind, M., Jakobsen, B. W. & Krogsgaard, Michael R., 2018, In: Knee Surgery, Sports Traumatology, Arthroscopy. 26, 8, p. 2438-2446 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Prescribing style and variation in antibiotic prescriptions for sore throat: cross-sectional study across six countries

    Cordoba Currea, Gloria Cristina, Siersma, Volkert Dirk, Lopez-Valcarcel, B. G., Bjerrum, Lars, Llor, C., Aabenhus, Rune Munck & Mäkelä, Marjukka, 29 Jan 2015, In: B M C Family Practice. 16, p. 1-8 8 p., 7.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Effects of Heavy Slow Resistance Training Combined With Corticosteroid Injections or Tendon Needling in Patients With Lateral Elbow Tendinopathy A 3-Arm Randomized Double-Blinded Placebo-Controlled Study

    Couppé, Christian, Døssing, S., Bulow, P. M., Siersma, Volkert Dirk, Zilmer, C. K., Bang, C. W., Høffner, Rikke, Kracht, M., Hogg, P., Edstrom, G., Kjær, Michael & Magnusson, Stig Peter, 2022, In: American Journal of Sports Medicine. 50, 10, p. 2787-2796 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 3512987