Table 1.
Characteristics of PCa Cases and Controls
| Variables | Cases (%) N = 1015 |
Controls (%) N = 1052 |
P |
|---|---|---|---|
| Age | 69.1 ± 8.2 | 68.6 ± 8.9 | 0.828 |
| ≤ 64 | 291 (28.7) | 308 (29.3) | |
| 65-75 | 496 (48.9) | 500 (47.5) | |
| > 75 | 228 (22.5) | 244 (23.2) | |
| Smoking status | |||
| Never | 406 (40.0) | 412 (39.2) | 0.697 |
| Ever | 609 (60.0) | 640 (60.8) | |
| PSA value (ng/ml) | |||
| < 10 | 180 (19.4) | ||
| 10-20 | 195 (21.0) | ||
| > 20 | 552 (59.6) | ||
| Missing | 88 (8.7) | ||
| Gleason score | |||
| ≤ 7 (3+4) | 317 (31.2) | ||
| ≥ 7 (4+3) | 606 (59.7) | ||
| Missing | 92 (9.1) | ||
| Stage of disease | |||
| I | 5 (0.5) | ||
| II | 434 (42.8) | ||
| III | 142 (14.0) | ||
| IV | 356 (35.1) | ||
| Missing | 78 (7.7) |
PSA: prostate-specifc antigen