Vacuum extraction: development and test of a procedure-specific rating scale
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Vacuum extraction : development and test of a procedure-specific rating scale. / Nielsen, Mathilde Maagaard; Oestergaard, Jeanett; Johansen, Marianne; Andersen, Lise Lotte; Ringsted, Charlotte; Ottesen, Bent; Sørensen, Jette Led.
I: Acta Obstetricia et Gynecologica Scandinavica, 2012.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Vacuum extraction
T2 - development and test of a procedure-specific rating scale
AU - Nielsen, Mathilde Maagaard
AU - Oestergaard, Jeanett
AU - Johansen, Marianne
AU - Andersen, Lise Lotte
AU - Ringsted, Charlotte
AU - Ottesen, Bent
AU - Sørensen, Jette Led
N1 - © 2012 The Authors Acta Obstetricia et Gynecologica Scandinavica© 2012 Nordic Federation of Societies of Obstetrics and Gynecology.
PY - 2012
Y1 - 2012
N2 - Objectives. To develop and validate an Objective Structured Assessment of Technical Skills (OSATS) scale for vacuum extraction. Design. Two part study design: Primarily, development of a procedure-specific checklist for vacuum extraction. Hereafter, validationof the developed OSATS scale for vacuum extraction in a prospective observational study. Setting. Rigshospitalet, University Hospital of Copenhagen. Population. For development an obstetric expert from each labor ward in Denmark (28 departments) were invited to participate. For validation nine first-year residents and ten chief physicians with daily work in the obstetric field were tested. Methods. The Delphi method was used for development of the scale. In a simulated vacuum extraction scenario first-year residents and obstetric chief physicians were rated using the developed OSATS scale for vacuum extraction to test construct validity of the scale. Main outcome measures. Consensus for the content of the scale. To test the scale Cronbachs alpha, interclass correlation and differential item function was calculated in the prospective study. Results. 89% completed the first and 61% completed the second Delphi round. Hereafter, consensus was obtained. There was a significant difference between residents´ and experts´ performance for total score and for the score of the separate parts of the scale. Cronbachs alpha for total score and for the separate parts of the scale was 0.91-0.95 and interclass correlation 0.84-0.9. Conclusions. The OSATS scale for vacuum extraction is a reliable test for differentiating between competence levels in a simulated setting.
AB - Objectives. To develop and validate an Objective Structured Assessment of Technical Skills (OSATS) scale for vacuum extraction. Design. Two part study design: Primarily, development of a procedure-specific checklist for vacuum extraction. Hereafter, validationof the developed OSATS scale for vacuum extraction in a prospective observational study. Setting. Rigshospitalet, University Hospital of Copenhagen. Population. For development an obstetric expert from each labor ward in Denmark (28 departments) were invited to participate. For validation nine first-year residents and ten chief physicians with daily work in the obstetric field were tested. Methods. The Delphi method was used for development of the scale. In a simulated vacuum extraction scenario first-year residents and obstetric chief physicians were rated using the developed OSATS scale for vacuum extraction to test construct validity of the scale. Main outcome measures. Consensus for the content of the scale. To test the scale Cronbachs alpha, interclass correlation and differential item function was calculated in the prospective study. Results. 89% completed the first and 61% completed the second Delphi round. Hereafter, consensus was obtained. There was a significant difference between residents´ and experts´ performance for total score and for the score of the separate parts of the scale. Cronbachs alpha for total score and for the separate parts of the scale was 0.91-0.95 and interclass correlation 0.84-0.9. Conclusions. The OSATS scale for vacuum extraction is a reliable test for differentiating between competence levels in a simulated setting.
U2 - 10.1111/j.1600-0412.2012.01526.x
DO - 10.1111/j.1600-0412.2012.01526.x
M3 - Journal article
C2 - 22881021
JO - Acta Obstetricia et Gynecologica Scandinavica
JF - Acta Obstetricia et Gynecologica Scandinavica
SN - 0001-6349
ER -
ID: 40461152