Table 1 Clinical data for patients used in this study
| Â | Training cohort | Testing cohort (TCGA) |
|---|---|---|
Patients [n] | ||
 Tumor tissues | 73 | 213 |
 benign-adjacent tissues | 63 | 49 |
 patient-matched tissues | 52 | 49 |
Age | ||
 Mean [years] | 59.9 | 60.4 |
 Median [years] | 61 | 61 |
 Range age [years] | 43–73 | 43–75 |
Preoperative PSA [ng/mL] | ||
 Range | 0.94–42 | 1.6–87 |
 Mean | 6.8 | 10.9 |
 Median | 5.62 | 7.4 |
  < 4 [n] | 15 | 19 |
 4–10 [n] | 44 | 100 |
  > 10 [n] | 9 | 55 |
 unknown | 5 | 39 |
Gleason Grade [n] | ||
 (<7) | 16 | 15 |
 (3 + 4) | 40 | 84 |
 (4 + 3) | 10 | 50 |
 8 | 4 | 25 |
 (>8) | 2 | 39 |
 unknown | 1 | 0 |
T Category | ||
 T2 | 2 | NA |
 T2a | 3 | 8 |
 T2b | 50 | 2 |
 T2c | NA | 82 |
 T3a | 8 | 71 |
 T3b | 7 | 43 |
 T4 | 1 | 5 |
 unknown | 2 | 2 |
Nodal Status | ||
 N0 | 66 | 160 |
 N1 | 5 | 22 |
 unknown | 2 | 31 |