Table 3.
Baseline characteristics of prostate cancer patients and general population control: Before and After Propensity Score matching
| Unmatched sample |
Matched sample |
|||||
|---|---|---|---|---|---|---|
| PC patients | Control | p-value | PC patients | Control | p-value | |
| Total | 156 (100) | 623 (100) | 114 (100) | 114 (100) | ||
| Age (yr) | 63.9±5.4 | 57.4±5.7 | < 0.001 | 62.7±5.5 | 62.1±5.2 | 0.359 |
| Comorbidity, any | 90 (57.7) | 221 (35.5) | < 0.001 | 60 (52.6) | 62 (54.4) | 0.791 |
| Education level, high school and above | 79 (60.0) | 496 (79.6) | < 0.001 | 58 (50.9) | 60 (52.6) | 0.791 |
| Marital status, married | 141 (90.4) | 600 (96.3) | < 0.001 | 106 (93) | 108 (94.7) | 0.581 |
| Smoking, current | 18 (11.6) | 328 (52.7) | < 0.001 | 18 (15.8) | 18 (15.8) | 1.000 |
| Drinking, current | 70 (44.9) | 508 (81.5) | < 0.001 | 64 (56.1) | 59 (51.8) | 0.506 |
| Pathologic T category | ||||||
| 2 | 117 (75.0) | - | - | 84 (73.7) | - | - |
| 3 | 39 (25.0) | - | - | 30 (26.3) | - | - |
| Pathologic N category | ||||||
| 0 | 70 (44.9) | - | - | 57 (50.0) | - | - |
| 1 | 3 (1.9) | - | - | 2 (1.8) | - | - |
| x | 83 (53.2) | - | - | 55 (48.2) | - | - |
| Pathologic Gleason score | ||||||
| 6 | 31 (19.9) | - | - | 24 (21.1) | - | - |
| 7 | 98 (62.8) | - | - | 71 (62.3) | - | - |
| ≥ 8 | 27 (17.3) | - | - | 19 (16.6) | - | - |
| Prostate-specific antigen (ng/mL) | 9.98±9.77 | - | - | 9.76±9.16 | - | - |
| Karnofsky performance status | ||||||
| 100 | 119 (76.8) | - | - | 83 (73.5) | - | - |
| 90 | 34 (21.9) | - | - | 28 (24.8) | - | - |
| 80 | 2 (1.3) | - | - | 2 (1.8) | - | - |
| Type of surgery | ||||||
| Open | 28 (18.0) | - | - | 22 (19.3) | - | - |
| Laparoscopic | 46 (29.5) | - | - | 27 (23.7) | - | - |
| Robot | 82 (52.6) | - | - | 65 (57.0) | - | - |
Values are presented as number (%) or mean±standard deviation.