Update on the Pharmacologic Management of Overactive Bladder: The Present and the Future

Pamela Ellsworth; Eileen Kirshenbaum


Urol Nurs. 2010;30(1):29-39. 

In This Article

What is the Prevalence of OAB?

Several epidemiologic studies have been performed to assess the prevalence of OAB in the United States and throughout the world. The National Overactive Bladder Evaluation (NOBLE) study evaluated more than 5,000 individuals in the U.S. and identified a 17% prevalence of OAB among women and 16% pre v alence among men, affecting approximately 33.3 million adults (Stewart et al., 2003). A European-based study demonstrated a similar prevalence in an evaluation of 16,000 patients, with almost 17% of individuals older than 40 years of age having OAB (Milsom et al., 2001). A more recent study of 19,165 participants in Canada and Europe using the 2002 ICS definitions identified an 11.8% overall prevalence of OAB, with rates being similar in men and women and increasing with age (Irwin et al., 2006).


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