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Erschienen in:
02.12.2019 | Original Article
Wexner score and quality of life in women with obstetric anal sphincter injury
Erschienen in: International Urogynecology Journal | Ausgabe 6/2020
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Introduction and hypothesis
Obstetric anal sphincter injury causes anal incontinence in half of the women affected. However, most symptoms are mild. The objective of this study was to evaluate the prevalence of anal incontinence and quality of life in women at long term after delivery with obstetric anal sphincter injury. We also wanted to identify a relevant cutoff level of the Wexner score (also known as the Cleveland Clinic Incontinence Score) to indicate affected quality of life in these women.
Methods
We performed a population-based questionnaire cohort study with prospective follow-up, including all women in Denmark with obstetric anal sphincter injury and one subsequent delivery between 1997 and 2005. We performed uni- and multivariate analyses and calculated the area under the ROC curve.
Results
In Denmark, 3885 women had an obstetric anal sphincter injury in their first delivery and a second delivery between 1997 and 2005 and no subsequent deliveries until 2010–2011. Questionnaires were sent to 3259 eligible women, and the response rate was 74.6%. In total, 2004 women could be included in the final analyses. Of these, 29.2% (n = 584) reported affected quality of life due to anal incontinence at long-term follow-up. We found that all symptoms of anal incontinence were associated with affected quality of life. The median age at follow-up was 40.3 years.
The area under the ROC curve was 0.96 (95% CI 0.95–0.97) with a sensitivity of 0.94 (95% CI 0.92–0.96) and a specificity of 0.85 (95% CI 0.84–0.87) corresponding to an optimal cutoff level of the Wexner score of ≥ 2 to identify women with affected quality of life due to anal incontinence.
Conclusions
In women with obstetric anal sphincter injury, 29% reported affected quality of life due to anal incontinence at long-term follow-up, and we found a low Wexner score cutoff level of ≥ 2 to identify women with affected quality of life.