Table 1. Baseline characteristics.

Variable	HA group (n=32)	Control group (n=32)	p-value
Age (y)	40.47±12.12	43.31±11.47	0.279a
BMI (kg/m2)	24.94±3.45	25.28±3.70	0.701a
Hypertension	3 (9.4)	1 (3.1)	0.302b
Diabetes mellitus	0	1 (3.1)	0.313b
Erectile dysfunction	1 (3.1)	0	0.313b
Premature ejaculation	8 (25.0)	10 (31.3)	0.578b

Values are presented as mean±standard deviation or number (%).

BMI: body mass index, HA: hyaluronic acid.

^aStudent's t-test; ^bFisher's exact test.