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Related Experiment Videos

Variation in continence and potency by definition.

Tracey L Krupski1, Christopher S Saigal, Mark S Litwin

  • 1Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, USA.

The Journal of Urology
|September 23, 2003
PubMed
Summary
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Patient definitions of urinary and erectile function after prostate cancer treatment vary significantly. This impacts reported quality of life outcomes, highlighting the need for standardized measurement of continence and potency.

Area of Science:

  • Urology
  • Oncology
  • Health Outcomes Research

Background:

  • Quality of life reporting after prostate cancer treatment has improved with validated instruments.
  • Significant disparities in reported continence and potency rates persist among providers.

Purpose of the Study:

  • To assess the concordance between various definitions of urinary continence and erectile function in patients undergoing radical prostatectomy.
  • To understand how different outcome measurement definitions affect reported quality of life.

Main Methods:

  • A longitudinal cohort of 269 men with early-stage prostate cancer was studied.
  • Quality of life questionnaires, including the UCLA Prostate Cancer Index, were administered.
  • Six definitions for continence and six for potency were analyzed across 2,506 questionnaires.

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Main Results:

  • Continence definitions showed wide variability; only 42% of men reporting no pads were completely leak-free.
  • Potency definitions were even more disparate, with only 5% of men reporting firm erections for intercourse also reporting frequent morning erections.
  • Patient self-rated sexual function (good/very good) did not align with specific erectile function metrics.

Conclusions:

  • Patient-specific interpretations of urinary and erectile function lead to variations in reported outcomes.
  • Health-related quality of life outcomes in prostate cancer are highly dependent on the specific measurement definitions used.