| Training set n = 40 | Validation set n = 40 | P valuea |
---|---|---|---|
Age, years | |||
 ≤70 | 32 | 33 | 0.775 |
 >70 | 8 | 7 |  |
Gleason score | |||
 ≤6 | 18 | 13 | 0.251 |
 >6 | 22 | 27 |  |
Pathological stage | |||
 T2a | 5 | 5 |  |
 T2b | 1 | 0 |  |
 T2c | 17 | 16 | 0.554 |
 T3a | 12 | 17 |  |
 T3b | 5 | 2 |  |
Median PSA (range) | 6.77 (3.19–33.14) | 5.81 (2.65–24.00) | 0.1988 |