Table 1.
Patients and treatment characteristics.
| N (%) | |
|---|---|
| PATIENTS, total number | 808 (100) |
| GENDER Male Female |
493 (61.0) 315 (39.0) |
| AGE, years Median (range) ≥65 |
64 (26–88) 403 (49.9) |
| CEA, ng/ml Median (range) ≥5 unknown |
3.1 (0.1–316) 156 (19.3) 297 (36.7) |
| cT 1 2 3 4 unknown |
1 (0.1) 57 (7.1) 557 (68.9) 168 (20.8) 25 (3.1) |
| cN 0 1 2 3 unknown |
155 (19.2) 367 (45.4) 276 (34.2) 1 (0.1) 9 (1.1) |
| EXTRAMESORECTAL NODES No Yes unknown |
572 (70.8) 165 (20.4) 71 (8.8) |
| CONCOMITANT CT single agent double agent unknown |
595 (73.6) 201 (24.9) 12 (1.5) |
| RT DOSE, Gy Median (range) ≥55 |
55 (30.8–56) 488 (60.4) |
| SURGICAL INTERVAL, weeks Median (range) ≥12 unknown |
11 (2–41) 320 (39.6) 40 (5.0) |
| pT 0 1 2 3 4 unknown |
178 (22.0) 53 (6.6) 192 (23.8) 251 (31.1) 16 (2.0) 118 (14.6) |
| pN 0 1 2 3 unknown |
515 (63.7) 127 (15.7) 24 (3.0) 1 (0.1) 141 (17.5) |
| pCR yes no unknown |
178 (22) 534 (66) 98 (12) |
CEA: Carcinoembryonic Antigen; CT: chemotherapy; Gy: Gray; pCR: pathologic complete response; RT: radiotherapy.