Table 2.
Demographic characteristics according to pathologic response
| pCR0 = 15 | no-pCR = 18 | p | |
|---|---|---|---|
| Sex, n (%) | 0.210 | ||
| Male | 9 (60) | 15 (84) | |
| Female | 6 (40) | 3 (16) | |
| Age, years, median (± SD) | 60 (11) | 65 (12) | 0.308 |
| BMI Kg2/cm, median (+ / − SD) | 23 (6) | 22 (8) | |
| ASA n (%) | 0.455 | ||
| I | 5 (34) | 6 (33) | |
| II | 7 (46) | 10 (56) | |
| III | 3(22) | 2 (119 | |
| Distance anal verge, cm, mean (+ / − SD) | 0.67 | ||
| < 5 | 7 (46) | 2 (11) | |
| 5–10 | 4 (27) | 10 (56) | |
| > 10 | 4 (27) | 6 (33) | |
| T stage, n (%) | 0.316 | ||
| 2 | 4 (27) | 2 (11) | |
| 3 | 10 (67) | 15 (83) | |
| 4 | 1 (6) | 1 (5) | |
| N stage, n (%) | 0.762 | ||
| 0 | 9 (60) | 9 (50) | |
| 1 | 4 (27) | 5 (28) | |
| 2 | 2 (13) | 4 (22) | |
| Stage according to AJCC, n (%) |
9 (50) 9 (50) |
0.678 | |
| II | 9 (60) | ||
| III | 6 (40) | ||
| Surgery, n (%) | 0.083 | ||
| TME | 12 (80) | 17 (94) | |
| AAP | 3 (20) | 1 (6) |
TME, total mesorectal excision; AAP, abdomino-perineal amputation; CM, circumferential margin