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Please use this identifier to cite or link to this item: http://hdl.handle.net/2164/309

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Title: Psychometric properties of the Pelvic Organ Prolapse Symptom Score
Authors: Hagen, S
Glazener, Cathryn Margaret Anne
Sinclair, L
Stark, D
Bugge, C
Keywords: Construct validity
Internal consistency
Outcome measure
Pelvic organ prolapse
Psychometric properties
Sensitivity to change
Issue Date: Jan-2009
Publisher: Blackwells
Citation: Hagen, S., Glazener, C., Sinclair, L., Stark, D., and Bugge, C., (2009) Psychometric properties of the Pelvic Organ Prolapse Symptom Score. British Journal of Obstetrics and Gynaecology, 116(1), pp.25-31.
Abstract: Objective To assess the internal consistency, construct validity and sensitivity to change of a pelvic organ prolapse symptom score (POP-SS). Design Analysis of data from three prolapse studies, including symptomatic and asymptomatic women who completed the POP-SS. Setting (1) A community setting in New Zealand, (2) two gynaecology outpatient departments in Scotland and (3) a gynaecological surgery department in Scotland. Population or sample (1) Participants from a survey of postnatal women at 12-year follow up, invited to complete a prolapse questionnaire and have prolapse assessment, (2) new gynaecology outpatients presenting with prolapse symptoms, randomised to pelvic floor muscle training (PFMT) or control and (3) women having anterior and/or posterior prolapse surgery, randomised to mesh insert or no mesh. Method Data were analysed to assess internal consistency, construct validity and sensitivity to change of the POP-SS. Main outcome measures Cronbach's alpha, significance of differences in POP-SS scores between studies and significance of difference in POP-SS scores pre- to post-intervention. Results For internal consistency, Cronbach's alpha ranged from 0.723 to 0.828. Women having surgery had higher POP-SS scores than those having conservative management (mean difference 5.0, 95% CI 3.1–6.9), who in turn had higher scores than the asymptomatic women (mean difference 5.9, 95% CI 4.4–7.4). Significant differences in POP-SS score were detected after surgery and PFMT. The improvement due to surgery was significantly greater than that associated with PFMT (z =−3.006, P = 0.003). Conclusion The POP-SS has good internal consistency and construct validity and is sensitive to change.
URI: http://hdl.handle.net/2164/309
ISSN: 0306-5456
Appears in Collections:Applied Health Sciences research
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