Association between nocturia, subjective satisfaction with sleep and insomnia in patients with overactive bladder

Background and objectives: In this study the relationship between nocturia and subjective sleep satisfaction (SSS) was analysed, aiming at establishing if nocturia could be used as a relevant predictive parameter for insomnia assessment. Patients and methods: Epidemiologic and observational study of 1454 patients with overactive bladder. The bivariate association of sleep-, clinical- and personal parameters with SSS, assessed by a specific questionnaire, was analyzed. A multiple regression model was defined for SSS prediction. Results: Insomnia, hypersomnia, nocturia, Charlson Index, sex and age were associated with SSS in a bivariate analysis. Nocturia, hypersomnia and insomnia severity were independent predictive parameters of SSS and explained 33% of its variance. Conclusions: Nocturia is an important predictive parameter of SSS. (C) 2009 Elsevier Espana, S.L. All rights reserved.