Table 1 Clinicopathologic characteristics (n = 102)
Pathologic response* | ||||
|---|---|---|---|---|
Good | Poor | |||
Variable | N (%) | N (%) | P | |
Age (years) | <60 | 17 (48.6) | 36 (53.7) | 0.6 |
≥60 | 18 (51.4) | 31 (46.3) | ||
Gender | Male | 28 (80) | 54 (80.6) | 0.9 |
Female | 7 (20) | 13 (19.4) | ||
Tumor location | Upper (10.1-15 cm) | 0 (0) | 3 (4.5) | 0.2 |
Mid (5.1-10 cm) | 12 (34.3) | 31 (46.3) | ||
Low (<5 cm) | 23 (65.7) | 33 (49.3) | ||
Operation type | Low anterior resection | 30 (85.7) | 56 (83.6) | 0.8 |
APE or Hartmann procedure | 5 (14.3) | 11 (16.4) | ||
Duration (preoperative CRT to surgery) (week) | <6 | 22 (62.9) | 42 (62.7) | 0.99 |
≥6 | 13 (37.1) | 25 (37.3) | ||
Tumor diameter (cm) | <3 | 30 (85.7) | 38 (56.7) | 0.003 |
≥3 | 5 (14.3) | 29 (43.3) | ||
ypT classification | 0 | 9 (25.7) | 4 (6.0) | <0.001 |
1 | 5 (14.3) | 1 (1.5) | ||
2 | 21 (60.0) | 4 (6.0) | ||
3 | 0 (0) | 55 (82.1) | ||
4 | 0 (0) | 3 (4.5) | ||
ypN classification | 0 | 35 (100) | 36 (53.7) | <0.001 |
1 | 0 (0) | 22 (32.8) | ||
2 | 0 (0) | 9 (13.4) | ||
CEA (ng/mL) | <5 | 29 (85.3) | 35 (55.6) | 0.003 |
≥5 | 5 (14.7) | 28 (44.4) | ||