Table 1.

Preoperative clinical characteristics

Variables	Mean ± SD or n (%)
Age, years	76.4 ± 1.6
Body mass index, kg/m2	24.1 ± 2.9
Diabetes mellitus, n	156 (24.5)
Hypertension, n	360 (56.6)
Prostate volume, ml	39.2 ± 16.8
PSA, ng/ml	15.3 ± 22.9
PSA density, ng/ml/ml	0.44 ± 0.69
Biopsy grade group
1	115 (18.1)
2	200 (31.5)
3	138 (21.8)
4	129 (20.3)
5	52 (8.2)
Previous biopsy, n	1.1 ± 0.5
1	565 (89.3)
≥2	68 (10.7)
Clinical ≥T3, n	199 (31.3)

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

PSA, prostate-specific antigen; SD, standard deviation.