| Total (n = 51) | Transverse colon (n = 32) | Descending colon (n = 17) | Splenic flexure (n = 2) | p |
---|---|---|---|---|---|
Age, years | 72 (36–92) | 74 (54–92) | 70 (36–81) | 64 (62–66) | 0.083 |
Sex | |||||
 Male | 25 | 15 | 9 | 1 | 0.082 |
 Female | 26 | 17 | 8 | 1 | |
BMI, kg/m2 | 22.5 (16.2–33.3) | 22.5 (33.1–16.2) | 22.8 (18.8–33.3) | 25.8 (22.0–29.6) | 0.611 |
ASA-PS | |||||
 1 | 9 | 4 | 5 | 0 | 0.366 |
 2 | 36 | 25 | 9 | 2 | |
 3 | 5 | 2 | 3 | 0 | |
 4 | 1 | 1 | 0 | 0 | |
Tumor size, cm | 3.5 (0.5–13.5) | 3.3 (0.5–11.8) | 3.6 (0.8–13.5) | 1.1 (1.0–1.2) | 0.182 |
T | |||||
 Tis | 4 | 3 | 1 | 0 | 0.246 |
 T1 | 13 | 8 | 3 | 2 | |
 T2 | 6 | 4 | 2 | 0 | |
 T3 | 9 | 3 | 6 | 0 | |
 T4 | 19 | 14 | 5 | 0 | |
N | |||||
 N0 | 34 | 21 | 11 | 2 | 0.919 |
 N1 | 12 | 7 | 5 | 0 | |
 N2 | 5 | 4 | 1 | 0 | |
M | |||||
 M0 | 46 | 30 | 14 | 2 | 0.453 |
 M1 | 5 | 2 | 3 | 0 | |
Stage | |||||
 0 | 4 | 3 | 1 | 0 | 0.803 |
 I | 19 | 12 | 5 | 2 | |
 II | 12 | 7 | 5 | 0 | |
 III | 11 | 8 | 3 | 0 | |
 IV | 5 | 2 | 3 | 0 | |
Operation | |||||
 Right hemicolectomy | 2 | 2 | 0 | 0 |  |
 Left hemicolectomy | 2 | 0 | 0 | 2 |  |
 Transverse colectomy | 30 | 30 | 0 | 0 |  |
 Descending colectomy | 17 | 0 | 17 | 0 |  |