Table 1 Clinicopathological parameters of patients in the upfront surgery group according to the presence of LNM.
Variable | LNM positive (n = 14) | LNM negative (n = 83) | p-value |
|---|---|---|---|
Demographic data | |||
Age, years | 62 (49–76) | 66 (37–94) | 0.64 |
Sex, male | 7 (50%) | 43 (52%) | 0.90 |
Tumor location | 0.35 | ||
Cecum | 3 (21%) | 13 (16%) | |
Ascending colon | 1 (7%) | 20 (24%) | |
Transverse colon | 0 (0%) | 5 (6%) | |
Descending colon | 0 (0%) | 6 (7%) | |
Sigmoid colon | 5 (36%) | 13 (16%) | |
Rectum | 5 (36%) | 26 (31%) | |
Tumor size, mm | 21 (8–35) | 19 (5–53) | 1.0 |
Tumor type | 0.71 | ||
Polypoid | 6 (43%) | 41 (49%) | |
Flat | 1 (7%) | 11 (13%) | |
Depressed | 7 (50%) | 31 (37%) | |
Tumor histology | 0.41 | ||
Well | 5 (36%) | 45 (54%) | |
Moderate | 5 (36%) | 23 (28%) | |
Poor | 4 (29%) | 15 (18%) | |
Tumor depth (µm) | 0.11 | ||
<1000 | 0 (0%) | 5 (6%) | |
1000–1999 | 0 (0%) | 58 (70%) | |
≥2000 | 13 (93%) | 17 (20%) | |
Unavailable | 1 (7%) | 3 (4%) | |
Lymphatic invasion | 1.0 | ||
Positive | 1 (7%) | 10 (12%) | |
Negative | 13 (93%) | 73 (88%) | |
Vascular invasion | 0.15 | ||
Positive | 9 (64%) | 36 (43%) | |
Negative | 5 (36%) | 47 (57%) | |
Tumor budding | 0.13 | ||
Grade 1 | 8 (57%) | 63 (76%) | |
Grade 2 | 2 (14%) | 8 (10%) | |
Grade 3 | 2 (14%) | 2 (2%) | |
Unavailable | 2 (14%) | 10 (12%) | |
