Parameter | LN (-), n = 343 | LN ( +), n = 52 | P |
---|---|---|---|
Agea | 63 (23–87) | 64 (32–84) | 0.570c |
Sex | |||
 Male | 225 (65.6%) | 30 (57.7%) | 0.340 |
 Female | 118 (34.4%) | 22 (42.3%) | |
BMI b | |||
 Mean | 23.9 ± 2.9 | 23.7 ± 2.95 | 0.628d |
ASA grade | |||
 I | 107 (31.2%) | 15 (28.8%) | 0.957 |
 II | 218 (63.6%) | 34 (65.5%) | |
 III | 14 (4.1%) | 2 (3.8%) | |
 unknown | 4 (1.1%) | 1 (1.9%) | |
CEAa | 1.5 (0.4–39.8) | 1.6 (0.5–18.2) | 0.380 |
Location | |||
 Right colon | 80 (23.3%) | 10 (19.2%) | 0.320 |
 Left colon | 153 (44.6%) | 21 (40.4%) | |
 Rectum | 109 (31.8%) | 20 (38.5%) | |
 unknown | 1 (0.3%) | 1 (1.9%) | |
Histological type | |||
 Favorable | 321 (93.6%) | 46 (88.5%) | 0.022 |
 Unfavorable | 5 (1.5%) | 4 (7.7%) | |
 unknown | 17 (4.9%) | 2(3.8%) | |
Lymphatic or venous invasion | |||
 Negative | 304 (88.6%) | 28 (53.8%) |  < 0.001 |
 Positive | 36 (10.5%) | 21 (40.4%) | |
 unknown | 3 (0.9%) | 3 (5.8%) | |
Perineural invasion | |||
 Negative | 324 (94.5%) | 48 (92.3%) | 1.000 |
 Positive | 2 (0.5%) | 0 (0%) | |
 unknown | 17 (5.0%) | 4 (7.7%) | |
Tumor Budding | |||
 Low budding (0–4 buds) | 285 (83.1%) | 31 (59.6%) |  < 0.001 |
 Intermediate budding (5–9 buds) | 33 (9.6%) | 11 (21.2%) | |
 High budding (10 or more buds) | 25(7.3%) | 10 (19.2%) | |
Tumor budding (n)a | 0 (0–32) | 3 (0–15) |  < 0.001c |
Tumor size (cm)a | 1.6 (0.2–10.5) | 1.65 (0.1–19.0) | 0.912c |
Harvest LNs (n)a | 16 (0–165) | 16 (2–46) | 0.647c |
Proximal margin (cm)a | 11.0 (1.4–136.0) | 10.0 (3.5–89.0) | 0.486c |
Distal margin (cm)a | 3.5 (0–75.0) | 4.75 (0.5–48.0) | 0.094c |