Table 1.

Characteristics of 1638 patients.

Age (y)	65.67 ± 7.81
Age group (y)
≤ 60	448 (27.4)
61–69	664 (40.5)
≥ 70	526 (32.1)
PSA (ng/mL)	4.78 ± 2.74
	0.02–10
PV (mL)	43.93 ± 21.08
	3–174
Indwelling catheter
Yes	666 (40.7)
No	972 (59.3)

Data are presented as n (%) or mean ± SD.

PSA, prostate-specific antigen; PV, prostate volume.