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目的调查我国男性人群良性前列腺增生症（BPH）的患病情况及危险因素。方法运用描述流行病学方法，采用多阶段抽样方法在城市一般人群中抽取上海市区40岁以上男性居民1582例。结果1582例中BPH患病率为43％，且其随年龄增长而上升，50岁以上者上升幅度尤为明显。Ⅱ度以上BPH在60岁以前较少见。BPH患者最大尿流率≤10ml／s的发生率为51．1％，明显高于正常人群，且与年龄增长有一定关系。影响BPH患病率的主要因素是年龄、生殖系统疾病等。结论我国上海城市男性BPH患病率较高，已接近欧美国家。
Objective To investigate the prevalence and risk factors of benign prostatic hyperplasia (BPH) in male Chinese population. Methods Using descriptive epidemiological method and multistage sampling method, 1582 male residents over the age of 40 in Shanghai were sampled from the urban general population. Results The prevalence of BPH in 1582 cases was 43%, and it increased with age, especially for those over 50 years of age. BPH above grade II is less common at 60 years of age. The incidence of BPH patients with maximal uroflow rate ≤10ml / s was 51.1%, which was significantly higher than that of normal people and had a certain relationship with age. The main factors affecting the prevalence of BPH are age, reproductive system diseases and so on. Conclusion The prevalence of BPH is higher in urban men in Shanghai, which is close to those in Europe and the United States.