Table 2. ERCC1 expression and clinical pathological features.
| Clinicopathological parameters | N. | ERCC1 | P | |
|---|---|---|---|---|
| Positive (%) | Negative (%) | |||
| Gender | 0.436 | |||
| Male | 438 | 294 (48.6) | 155 (23.8) | |
| Female | 167 | 118 (19.5) | 49 (8.1) | |
| Age | 0.661 | |||
| ≤60 | 262 | 181 (29.9) | 81 (13.4) | |
| >60 | 343 | 231 (38.2) | 112 (18.5) | |
| Tumor size (cm) | 0.191 | |||
| <5 | 312 | 220 (36.4) | 92 (15.3) | |
| ≥5 | 293 | 192 (31.6) | 101 (16.7) | |
| Differentiation | 0.914 | |||
| Well, moderate | 121 | 83 (13.7) | 38 (6.3) | |
| Poorly | 483 | 328 (54.3) | 155 (25.7) | |
| T category | 0.581 | |||
| T1-T2 | 66 | 47 (7.8) | 19 (3.1) | |
| T3-T4 | 539 | 365 (60.3) | 174 (28.8) | |
| Vascular or nerves invasion | 0.482 | |||
| Negative | 268 | 187 (30.9) | 81 (13.4) | |
| Positive | 337 | 225 (37.2) | 112 (18.5) | |
| N category | 0.952 | |||
| N0 | 106 | 71 (11.7) | 35 (5.8) | |
| N1 | 126 | 88 (14.5) | 38 (6.3) | |
| N2 | 172 | 118 (19.5) | 54 (8.9) | |
| N3 | 201 | 135 (22.3) | 66 (10.9) | |
| Stage | 1.000 | |||
| II | 156 | 106 (17.5) | 50 (8.3) | |
| III | 449 | 306 (50.7) | 143 (23.5) | |
ERCC1, excision repair cross-complementation group 1.