title: The impact of the overactive bladder on health-related utility and quality of life.
abstract: OBJECTIVE
  To evaluate the impact of the overactive bladder (OAB) on quality of life and health-related utility.
  
  
  METHODS
  In a study conducted in Cardiff and Vale NHS Trust, patients were identified from an academic urology unit inpatient database for admissions and sent a postal survey. The survey pack comprised questionnaires on demography, urological functioning, health utility (EQ5D(index)), and health-related quality of life (Short Form-36, SF36). Respondents were classified according to general urinary status, frequency, urgency, and stress incontinence.
  
  
  RESULTS
  Of 2193 surveys dispatched, 609 (27.8%) were returned; of these patients, 52% had incontinence, of whom 83% had both frequency and urgency, and 60% stress incontinence. Patients with stress incontinence reported a mean (sd) EQ5D(index) of 0.578 (0.331), compared to 0.714 (0.281) for all other patients (P < 0.001). From the SF36, respondents scored lowest in the role physical domain and highest in the mental domain, with mean scores of 33.8 and 72.1, respectively. Multivariate analysis of SF36 and EQ5D(index) scores, controlling for age, gender and body mass index, showed that incontinence was associated with a notable reduction in the EQ5D(index) and SF36 scores across all domains.
  
  
  CONCLUSIONS
  This study showed a significant reduction in quality of life for all patient groups with OAB; in particular, stress incontinence had the greatest impact.
authors: Department of Medicine, School of Medicine, Cardiff University, Cardiff, UK. curriec@cardiff.ac.uk
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