Subgroup | Cases (n = 38) n (%) | Controls (n = 53) n (%) | P-value |
---|---|---|---|
PSA during this study (ng/ml) | |||
 ≤ 4.0 |  | 37 (70) |  |
 4.1–10.0 |  | 11 (21) |  |
 10.1–20.0 |  | 3 (6) |  |
 > 20 |  | 2 (3) |  |
Mean (SD) | Â | 4.16 (4.70) | Â |
PSA at diagnosis (ng/ml) | |||
 ≤ 4.0 | 0 (0) |  |  |
 4.1–10.0 | 3 (7.9) |  |  |
 10.1–20.0 | 4 (10.5) |  | < 0.001 |
 > 20 | 31 (81.6) |  |  |
Mean (SD) | 627.85 (1153.42) | Â | Â |
 Gleason score | |||
 < 7 | 10 (26.3) |  |  |
 7 | 23 (60.5) |  | < 0.001 |
 > 7 | 5 (13.2) |  |  |