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Robot-assisted radical prostatectomy (RARP) is associated with poorer post-operative urinary continence in older men. However, published studies reporting conflicting results have design limitations with insufficient data at the extremes of age. The purpose of this study was to assess the effect of age on post-RARP urinary continence. This study included 5648 patients from two prospective Australian databases who underwent a primary RARP for prostate cancer between 2008 and 2019. Significant urinary bother and pad-usage were evaluated 12 months post-RARP by Expanded Prostate Cancer Index Composite (EPIC-26) questionnaires, independently collected by third parties. Multivariable logistic regression was used to investigate the relationship between continence and age. Percentages of significant bother increased with age: 4.2%, 6.8% 9.1% and 12.9% at age groups <55, 55-64, 65-74 and ≥75 years, respectively. Compared with men aged 65-69 years the odds of significant bother in patients <55 years was significantly lower (odds ratio [OR] 0.49, 95% confidence interval [CI] 0.32-0.75, p=0.001). Corresponding OR found no significant difference in bother in patients ≥70 (OR 1.24, 95% CI 0.94-1.63, p=0.13) or ≥75 years (OR 1.41, 95%CI 0.88-2.25, p=0.16). Pad-free rates markedly decreased with age: 86%, 79%, 68% and 50% at ages, <55, 55-64, 65-74 and ≥75 years, respectively. Corresponding social continence (0-1 pads/day) rates also decreased with age: 98%, 96%, 92% and 85%. Urinary bother and pad-usage post-RARP are excellent in young men but worsen with age. Older patients were only slightly more likely to be "significantly bothered" by incontinence despite higher pad-usage. |
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