Table 1.

Baseline characteristics

Clinical T stage	Values
Number	459
Operation date	2001/1–2013/12
Age, years	64.9 ± 5.4
PSA, ng/ml
0–10	327 (71.2%)
over 10–20	99 (21.6%)
over 20	33 (7.2%)
Gleason score
≤ 6	249 (54.2%)
= 7	153 (33.4%)
8–10	57 (12.4%)
Clinical T stage
cT1c–T2a	293 (63.8%)
cT2b	82 (17.9%)
cT2c	84 (18.4%)
D'Amico classification
Low	135 (29.4%)
Intermediate	190 (41.4%)
High	134 (29.2%)
GP score classification
Low	253 (55.1%)
Intermediate	150 (32.7%)
High	56 (12.2%)