Comparison between non- urinary retention (non-UR) and urinary retention (UR) groups.

PdetQmax, detrusor pressure at maximal flow; +, logistic multivariate analysis; all results are expressed as means ± SDs;*, counts overlapped.PdetQmax（最大尿流率时逼尿肌压）；+ 代表多因素logistic回归分析；所有结果均以均值±标准差（standard deviation, SD）表示；* 表示计数重叠。