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Overactive bladder: epidemiology and social impact.

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Overactive bladder (OAB) affects many worldwide, with prevalence increasing with age. This condition significantly impacts quality of life and incurs substantial economic costs, yet remains underreported.

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Area of Science:

  • Urology
  • Epidemiology

Background:

  • Overactive bladder (OAB) definitions were updated in 2002, leading to new research on its prevalence.
  • Previous studies lacked specific prevalence data, prompting new investigations.

Purpose of the Study:

  • To review recent epidemiological data on overactive bladder (OAB).
  • To understand the prevalence, symptoms, and socioeconomic impact of OAB.

Main Methods:

  • Review of recently published epidemiological studies on overactive bladder.
  • Analysis of prevalence data, symptom associations, and economic impact.

Main Results:

  • Overactive bladder (OAB) prevalence increases with age; body mass index is a notable associated factor.
  • Urge and urinary incontinence significantly impact quality of life more than frequency or nocturia.
  • The estimated annual cost of OAB in the US is $12.6 billion.

Conclusions:

  • Updated terminology and recent studies provide clearer epidemiological data on overactive bladder (OAB).
  • Both symptomatic (wet) and asymptomatic (dry) OAB significantly reduce quality of life.
  • OAB is underreported due to patient beliefs about untreatable incontinence and aging.