Abstract
We examined the impact of stress urinary incontinence (SUI) on health-related quality of life (QOL) and evaluated the relationships between incontinence-specific QOL and objective disease severity. A total of 158 women (mean age 49.9) suffering from SUI were included in the study. The Medical Outcomes Study Short Form-36 (SF-36) and the King's Health Questionnaire (KHQ) were used to assess QOL in the patient and control groups. The SF-36 scores did not show any significant differences between the two groups except for one domain (physical functioning, P = 0.005). The patient KHQ scores were significantly lower than those of the controls (P < 0.001 for all domains). The scores of the KHQ domains correlated with those of the SF-36 domains, but the relationship was low to moderate, ranging from -0.033 to -0.686. However, they did not correlate with Valsalva leak point pressure (VLPP). When patients were divided into the low VLPP group (n = 60) and the higher VLPP group (n = 98), statistically significant differences were found between the groups for general health domains of the SF-36 (P = 0.010) and of the KHQ (P = 0.027). No statistically significant differences were found in other domains of both questionnaires. The generic QOL instrument is not a sensitive tool for measuring QOL in women with SUI. In addition, our findings suggest that objective disease severity is not associated with generic or incontinence-specific QOL.
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