Table 1 Patient characteristics according to intestinal margins
From: Impact of bowel resection margins in node negative colon cancer
Lower than 5 cm | 5 cm or higher | Odds ratio | P value | |
|---|---|---|---|---|
215 patients | 128 (59.5%) | 87 (40.5%) | – | – |
Gender | Male—74 (58%) | Male—50 (57%) | 1.014 | 1 |
Fem.—54 (42%) | Fem.—37 (43%) | |||
Age | 70.2 (SD ± 12.2) | 70.8 (SD ± 10.9) | 0.996 | 0.7 |
Type of surgery | 0.000 | |||
Right colectomy | 26 (20.3%) | 52 (60%) | 1.76 | |
Transverse colect. | 4 (3%) | 0 (0%) | 1 | |
Left colectomy | 29 (22.7%) | 19 (21.8%) | 1.048 | |
High AR | 69 (53.9%) | 16 (18.4%) | 5.19 | |
Elective/emergent | 112 (87.5%)/16 (12.5%) | 68 (78%)/19 (21.8%) | 0.511 | 0.09 |
Histopathologic features | ||||
Lymphovascular invasion (Y) | 19 (15%) | 11 (13%) | 1.21 | 0.69 |
Tumor differentiation (WD/MD/PD) | 32 (25%)/79 (61.7%)/15 (11.7%) | 18 (20.9%)/53 (61.6%)/15 (17.4%) | 1.278 1.03 0.637 | 0.513 |
Total lymph nodes harvested | 10.4 (SD ± 5.7) | 13.8 (SD ± 8.2) | 1.26 | 0.001 |
Colon length (in cm) | 18.9 (SD ± 9.8) | 23.7 (SD ± 10.3) | 1.38 | 0.002 |
Intestinal margin (in cm) | 3.1 (SD ± 1.2) | 8.8 (SD ± 3.3) | * | 0.000 |
Tumor length (in cm) | 4.47 (SD ± 2.14) | 4.69 (SD ± 2.3) | 1.008 | 0.499 |
AJCC stage (I/II) | 37 (29%)/91 (71%) | 15(17%)/72(83%) | 0.5 | 0.05 |