Table 1 Clinicopathological background of patients
From: Level of arterial ligation in sigmoid colon and rectal cancer surgery
Group A (n = 42) | Group B (n = 147) | P value | |
|---|---|---|---|
M/F | 26/16 | 92/55 | 0.936 |
Age (year) ± SD | 64.5 ± 9.6a | 68 ± 9.1a | 0.695 |
Tumor location | |||
Sigmoid colon | 17 (40.5 %) | 56 (38.1 %) | 0.086 |
Rectosigmoid | 8 (19 %) | 30 (20.4 %) | |
Upper rectum | 10 (23.8 %) | 36 (24.5 %) | |
Lower rectum | 7 (16.7 %) | 25 (17 %) | |
Depth | |||
T1 | 1 (2.4 %) | 13 (8.8 %) | 0.079 |
T2 | 5 (11.9 %) | 35 (23.8 %) | |
T3 | 15 (35.7 %) | 63 (42.9 %) | |
T4 | 21 (50 %) | 36 (24.5 %) | |
N | |||
0 | 22 (52.4 %) | 81 (55.1 %) | 0.400 |
1 | 17 (40.5 %) | 50 (34 %) | |
2 | 3 (7.1 %) | 16 (10.9 %) | |
Lymphatic invasion | |||
Absent | 7 (16.7 %) | 19 (12.9 %) | 0.535 |
Present | 35 (83.3 %) | 128 (87.1 %) | |
Venous invasion | |||
Absent | 25 (59.5 %) | 97 (66 %) | 0.440 |
Present | 17 (40.5 %) | 50 (34 %) | |
Stage | |||
I | 2 (4.8 %) | 38 (25.9 %) | 0.100 |
II | 21 (50 %) | 44 (29.9 %) | |
III | 19 (45.2 %) | 65 (44.2 %) |