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Appears in Collections:Faculty of Health Sciences and Sport Journal Articles
Peer Review Status: Refereed
Title: Psychometric properties of the pelvic organ prolapse symptom score
Author(s): Hagen, Suzanne
Glazener, Cathryn
Sinclair, Lesley
Stark, Diane
Bugge, Carol
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Keywords: Construct validity
internal consistency
outcome measure
pelvic organ prolapse
psychometric properties
sensitivity to change
Pelvic pain Treatment
Pelvis Surgery
Pelvis Diseases Treatment
Issue Date: Jan-2009
Date Deposited: 4-May-2011
Citation: Hagen S, Glazener C, Sinclair L, Stark D & Bugge C (2009) Psychometric properties of the pelvic organ prolapse symptom score. BJOG: An International 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.
DOI Link: 10.1111/j.1471-0528.2008.01903.x
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