Zhu and colleagues investigated urge urinary incontinence (UUI) and risk factors in China via a cross-sectional study involving 20,000 adult Chinese women [1]. This cross-province survey is intriguing in that the authors provide us with a general profile of UUI among the general population in China. However, we are concerned about their interpretation of their findings.As many potential risks factors were not evaluated in the study, the conclusion that age is a major independent risk factor of UUI as draw in the article would raise concerns. The diagnosis of UUI is mainly based on clinical symptoms.
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