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Is There an Association between Urinary Incontinence and Mortality? A Retrospective Cohort Study.

Rano Matta^1,2, Amanda E Hird^1,2, Refik Saskin^3,4

¹Division of Urology, University of Toronto, Toronto, Ontario, Canada.

The Journal of Urology

|October 4, 2019

Summary

Urinary incontinence is linked to increased mortality, but this association disappears when frailty is considered. Screening for frailty is crucial in patients with urinary incontinence.

Keywords:

frailty mortality nutrition surveys urinary bladder urinary incontinence

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Area of Science:

Gerontology
Urology
Public Health

Background:

Previous research indicates a link between urinary incontinence and mortality.
However, these studies did not account for the confounding factor of frailty.

Purpose of the Study:

To investigate the association between urinary incontinence and mortality.
To determine if adjusting for a frailty index impacts this association.

Main Methods:

Cross-sectional study of 2,282 community-dwelling adults aged 50+.
Utilized Cox proportional hazards regression, adjusting for demographics and a 45-item frailty index.

Main Results:

23% reported urinary incontinence.
Urinary incontinence was associated with increased frailty.
The link between urinary incontinence and mortality was not significant after adjusting for frailty.

Conclusions:

The association between urinary incontinence and mortality is explained by increased frailty.
Urinary incontinence is not an independent predictor of mortality.
Clinical practice should include frailty screening for individuals with urinary incontinence.