Clinical and pathophysiological correlates of the symptom severity of stress urinary incontinence

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12 Citations (Scopus)


Introduction and hypothesis: The pathophysiology of stress urinary incontinence (SUI) is multifactorial. The aim of this study was to explore the factor determining the symptom severity of SUI. Methods: One hundred twenty-four women with SUI were retrospectively investigated. Clinical data for analyses included demographics, pelvic organ prolapse quantification, SUI severity using a 4-point Likert scale, ultrasound, 1-h pad tests, and urodynamic studies. Data were analyzed using the Spearman's rho test and Kruskal-Wallis test. Results: The symptom severity was not correlated with risk factors of SUI or the morphologic manifestations representing urethral support defect, but was significantly correlated with urine loss on 1-h pad test, Valsalva leak point pressure (VLPP) grading, and maximum urethral closure pressure (MUCP). Women with higher SUI severity had greater urine loss on 1-h pad tests, worse VLPP grading, and lower MUCP. Conclusions: Urethral sphincter function appears to be an important determinant for the symptom severity of SUI.

Original languageEnglish
Pages (from-to)637-643
Number of pages7
JournalInternational Urogynecology Journal
Issue number6
Publication statusPublished - Jun 2010


  • Stress urinary incontinence
  • Symptom severity
  • Urethral sphincter function
  • Urethral support
  • Urodynamic stress incontinence

ASJC Scopus subject areas

  • Urology
  • Obstetrics and Gynaecology


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