Table 2 Biological characteristics
| 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) | 4.16 (4.70) | ||
| 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) | ||
| Gleason score | |||
| < 7 | 10 (26.3) | ||
| 7 | 23 (60.5) | < 0.001 | |
| > 7 | 5 (13.2) | ||