Table 1 Patients’ demographic characteristics

Age (year)^a

65.0 (62.0–69.0)

67.0 (64.0–70.0)

0.097

PSA (ng/mL)^a

9.00 (6.30–14.12)

8.76 (6.31–13.69)

0.735

Prostate volume (mL)^a

34.0 (26.0–49.0)

39.0 (30.0–46.0)

0.124

PSAD^a

0.28 (0.16–0.45)

0.23 (0.17–0.38)

0.124

PI-RADS (%)

0.505

 2

1.4 (2/141)

0.0 (0/88)

 3

10.6 (15/141)

10.2 (9/88)

 4

44.7 (63/141)

52.3 (46/88)

 5

43.3 (61/141)

37.5 (33/88)

Clinical T stage (%)

0.383

 T1

2.8 (4/141)

0.0 (0/88)

 T2

73.8 (104/141)

76.1 (67/88)

 T3

23.4 (33/141)

23.9 (21/88)

ISUP grade (%)

0.816

 1

12.8 (18/141)

14.8 (13/88)

 2

34.0 (48/141)

29.5 (26/88)

 3

29.1 (41/141)

26.1 (23/88)

 4

11.3 (16/141)

15.8 (14/88)

 5

12.8 (18/141)

13.6 (12/88)

Positive surgical margin (%)

29.8 (42/141)

36.4 (32/88)

0.374