Table 1 Patients’ characteristics
Pre-op CRT (n = 550) | Post-op CRT (n = 322) | P ‡ | |
|---|---|---|---|
Age (mean, yr) | 57.0 ± 10.9 | 57.8 ± 10.5 | 0.272 |
Gender | |||
Male | 370 (67.3) | 202 (62.7) | 0.173 |
Female | 180 (32.7) | 120 (37.3) | |
Histological grade* | |||
Low | 516 (94.9) | 278 (94.9) | 0.986 |
High | 28 (5.1) | 15 (5.1) | |
CEA (ng/mL) | |||
≤ 5.0 | 370 (67.3) | 178 (65.0) | 0.508 |
> 5.0 | 180 (32.7) | 96 (35.0) | |
Tumor location (cm) † | |||
Low (< 5.0) | 203 (36.9) | 45 (14.9) | < 0.001 |
Middle (5.0–9.0) | 347 (63.1) | 143 (47.2) | |
Upper (> 9.0–12.0) | 115 (38.0) | ||
Clinical stage | |||
II | 111 (20.2) | 77 (23.9) | 0.196 |
III | 439 (79.8) | 245 (76.1) | |
Pathological stage | |||
0 | 84 (15.3) | < 0.001 | |
I | 145 (26.4) | ||
II | 154 (28.0) | 88 (27.3) | |
III | 167 (30.4) | 234 (72.7) | |
CRM | |||
Negative | 506 (92.0) | 290 (90.1) | 0.328 |
Positive | 44 (8.0) | 32 (9.9) |