Urinary and sexual function changes in benign prostatic hyperplasia patients before and after transurethral columnar balloon dilatation of the prostate

Table 3 Pre- and postoperative changes in sexual function between groups (mean ± SD, scores)

Group	n	Before therapy	Treatment for 1 mo	Treatment for 3 mo
Study group	70	21.53 ± 2.67	21.30 ± 2.80	22.04 ± 2.67
Control group	70	22.00 ± 2.91	20.04 ± 2.59a	21.81 ± 2.74
t value		-0.996	2.764	0.503
P value		0.321	0.006	0.616

^aP < 0.05 vs data before treatment in the same group.