Table 1. Comparison of the demographic characteristics of groups.

	Group A	Group B	t value	P value
Age	63.9±5.9	64.1±6.8	0.643	0.080
BMI	26.0±2.5	26.5±3.4	0.512	0.320
Prostate volume	40.1±13.4	44.1±12.7	0.876	0.145
PSA	7.9±3.5	7.3±3.6	0.431	0.413
IPSS	19±7.4	17.6±8.5	0.794	0.066
IIEF	16.5±6.6	19.6±3.9	1.854	0.013
Qmax	11.3±5.2	10.1±4.8	0.841	0.236
Qavg	5.9±2.6	5.6±2.6	0.595	0.676
PVR	43.6±30.9	48.6±31.2	0.710	0.431

Group A = Histological prostatitis group; Group B = Without prostatitis group; P < 0.05; t-test for paired sample