RESULTS	Supine empty bladder stress test was positive in 218 patients , and 428 patients had valid Valsalva leak point pressure measurements with a mean Valsalva leak point pressure of 80 cm H ( 2 ) O. Weak to moderate correlations were observed between Medical , Epidemiological and Social Aspects of Aging , incontinence episode frequency , pad weight , Incontinence Impact Questionnaire and Urogenital Distress Inventory .\