Table 1 Demographics and surgical procedures in 84 patients with complete pathological response (CPR) after neoadjuvant treatment
Characteristics | N (%) |
|---|---|
Gender | |
Male | 38 (45.2) |
female | 46 (54.8) |
Mean age ± SD (years) | 55,2 ± 12,5 |
ASA score | |
1 | 48 (57) |
2 | 13 (15.5) |
Missing | 23 (27.5) |
Median distance from the anal verge (cm) (quartiles) | 4 (3–6) |
Histologic differentiation | |
Well differentiated | 56 (66.7) |
Poorly differentiated | 14 (16.7) |
Missing | 14 (16.7) |
Pretherapeutic T stage | |
T1-T2 | 19 (22) |
T3- T4 | 52 (62) |
missing | 13 (15.5) |
Pretherapeutic N stage | |
N0 | 20 (23.8) |
N1 | 53 (63.1) |
Missing | 11 (13.1) |
Neoadjuvant radiotherapy | |
Concomitant chemotherapy | 76 (90.5) |
45Gy | 6 (7.2) |
25 Gy | 2 (2.5) |
Median delay CRT/ Surgery (weeks) | 7 (6–8) |
Surgical approach | |
Laparoscopy | 26 (31) |
Open procedure | 58 (69) |
Surgical procedures n(%) | |
Anterior resection | 51 (60.8) |
Coloanal anastomosis | 31 (37) |
Colorectal anastomosis | 20 (23.8) |
APR | 33 (39.3) |
Left Iliac colostomy | 23 (27.4) |
Perineal pseudocontinent colostomy | 10 (11.9) |