Methods Questionnaire investigation was performed to male patients who visited urology and andriatry in Shenzhen city from Jun to Dec in 2006, the data was recorded and analyzed.

• 方法采用描述性流行病学方法，对2006年6-12月在深圳不同地区、不同规模的综合性医疗机构中泌尿科、男性科就诊的男性患者开展问卷调查，专业录入并进行统计学分析。