Variables | adjustment group (n = 23) | non-adjustment group (n = 29) | P value |
Male:Female | 13:10 | 20:9 | 0.355 |
Age (years) | 62.91 ± 10.48 | 61.00 ± 9.36 | 0.317 |
ASA score (≥3) | 13 (52.17%) | 22 (79.31%) | 0.140 |
BMI (≥25 kg/m2) | 6 (26.09%) | 9 (31.03%) | 0.696 |
Pathological T status 3 - 4 | 14 (60.88%) | 23 (79.31%) | 0.145 |
Smoking history | 6 (26.09%) | 11 (37.93%) | 0.366 |
Diabetes | 1 (4.35%) | 5 (17.24%) | 0.210 |
Neoadjuvant therapy | 2 (8.70%) | 3 (10.34%) | 0.841 |
Previous abdominal surgery | 3 (13.04%) | 7 (24.14%) | 0.482 |
Tumor distance from anal verge (cm) | 5.39 ± 1.97 | 9.91 ± 2.72 | P < 0.001 |