Table 2.
Baseline characteristics and type of surgery of 336 eligible patients
| Preop. CRT (n = 177) | Postop. CRT (n = 159) | p value | |
|---|---|---|---|
| Age (median–range) | 61 (22–86) | 61 (24–89) | 0.88 |
| Sex—no. (%) | 0.082 | ||
| Male | 80 (45) | 57 (36) | |
| Female | 97 (55) | 102 (64) | |
| Clinical tm stage—no. (%) | 0.82 | ||
| Grade 2 | 82 (46) | 72 (45) | |
| Grade 3 | 95 (54) | 87 (55) | |
| Tm localization—no. (%) | p < 0.001 | ||
| Lower third (0 < 5 cm) | 97 (55) | 52 (33) | |
| Middle third (5 < 10 cm) | 67 (38) | 52 (33) | |
| Upper third (10 < 15 cm) | 13 (7) | 55 (34) | |
| Type of resection—no. (%) | p < 0.001 | ||
| AR | 10 (5.6) | 42 (26.4) | |
| LAR, intersphincteric | 91 (51.4) | 67 (42.1) | |
| APR | 72 (40.7) | 39 (24.5) | |
| Total proctocolectomy | 4 (2.3) | 11 (6.9) | |
| *MVR resection—n | 0.11 | ||
| Total | 14 | 2 | |
| True invasion | 8 | 2 |
*MVR multivisceral resection, APR Abdominoperineal resection