Table 2 Clinicopathological parameters of patients in prior endoscopic resection group according to the presence of LNM.
Variable | LNM positive (n = 16) | LNM negative (n = 100) | p-value |
|---|---|---|---|
Demographic data | |||
Age, years | 64 (51–83) | 67 (39–87) | 0.95 |
Sex, male | 9 (56%) | 52 (52%) | 0.75 |
Tumor location | 0.97 | ||
Cecum | 0 (0%) | 3 (3%) | |
Ascending colon | 3 (19%) | 16 (16%) | |
Transverse colon | 2 (13%) | 12 (12%) | |
Descending colon | 0 (0%) | 2 (2%) | |
Sigmoid colon | 5 (31%) | 25 (25%) | |
Rectum | 6 (38%) | 42 (42%) | |
Tumor size, mm | 15 (6–45) | 13 (3–45) | 0.55 |
Tumor type | 0.62 | ||
Polypoid | 11 (69%) | 65 (65%) | |
Flat | 4 (25%) | 19 (19%) | |
Depressed | 1 (6%) | 16 (16%) | |
Tumor histology | 0.48 | ||
Well | 6 (38%) | 37 (37%) | |
Moderate | 3 (19%) | 12 (12%) | |
Poor | 7 (44%) | 51 (51%) | |
Tumor depth (µm) | 0.37 | ||
<1000 | 1 (6%) | 11 (11%) | |
1000–1999 | 3 (19%) | 21 (21%) | |
≥2000 | 9 (56%) | 62 (62%) | |
Unavailable | 3 (19%) | 6 (6%) | |
Lymphatic invasion | 0.90 | ||
Positive | 7 (44%) | 42 (42%) | |
Negative | 9 (56%) | 58 (58%) | |
Vascular invasion | 0.027 | ||
Positive | 8 (50%) | 32 (32%) | |
Negative | 7 (44%) | 68 (68%) | |
Unavailable | 1 (6%) | 0 (0%) | |
Tumor budding | 0.004 | ||
Grade 1 | 8 (50%) | 72 (72%) | |
Grade 2 | 0 (0%) | 14 (14%) | |
Grade 3 | 4 (25%) | 4 (4%) | |
Unavailable | 4 (25%) | 10 (10%) | |
