Characteristics | Pathologic PALNM (−) (n = 244) | Pathologic PALNM (+) (n = 19) | p | |
---|---|---|---|---|
Preoperative | ||||
Sex | Male | 158 (94.0%) | 10 (6.0%) | 0.325 |
Female | 86 (90.5%) | 9 (9.5%) | ||
Age (years) | 63.61 ± 11.846 | 63.37 ± 10.761 | 0.931 | |
BMI (kg/m2) | 22.2 ± 2.7 | 22.2 ± 2.6 | 0.929 | |
ASA | 1, 2 | 224 (92.9%) | 17 (7.1%) | 0.665 |
3, 4 | 20 (90.9%) | 2 (9.1%) | ||
Preoperative | < 5 | 160 (94.7%) | 9 (5.3%) | 0.133 |
CEA (ng/mL) | ≥ 5 | 82 (89.1%) | 10 (10.9%) | |
Clinical T stage | cT1 | 13 (100%) | 0 (0.0%) | < 0.001 |
cT2 | 30 (96.8%) | 1 (3.2%) | ||
cT3 | 179 (95.2%) | 9 (4.8%) | ||
cT4 | 22 (71.0%) | 9 (29.0%) | ||
Clinical N stage | cN0 | 94 (97.9%) | 2 (2.1%) | < 0.001 |
cN1 | 75 (98.7%) | 1 (1.3%) | ||
cN2 | 75 (82.4%) | 16 (17.6%) | ||
Radiologic | Negative | 225 (97.8%) | 5 (2.2%) | < 0.001 |
PALNM | Positive | 19 (57.6%) | 14 (42.4%) | |
Radiologic DM | Negative | 229 (95.0%) | 12 (5.0%) | < 0.001 |
Other than PALNM | Positive | 15 (68.2%) | 7 (31.8%) | |
Tumor location | Colon | 107 (93.0%) | 8 (7.0%) | 0.882 |
Rectum | 137 (92.6%) | 11 (7.4%) | ||
Operative | ||||
Surgical procedure | Open | 6 (60.0%) | 4 (40.0%) | 0.003 |
Laparoscopy | 238 (94.1%) | 15 (5.9%) | ||
Operative time (min) | < 180 | 197 (93.8%) | 13 (6.2%) | 0.232 |
≥ 180 | 47 (88.7%) | 6 (11.3%) | ||
Pathologic | ||||
Tumor size (cm) | < 5 | 130 (96.3%) | 5 (3.7%) | 0.03 |
≥ 5 | 113 (89.0%) | 14 (11.0%) | ||
Lymphovascular | Negative | 203 (97.6%) | 5 (2.4%) | < 0.001 |
Invasion | Positive | 41 (74.5%) | 14 (25.5%) | |
Perineural | Negative | 148 (94.9%) | 8 (5.1%) | 0.146 |
Invasion | Positive | 96 (89.7%) | 11 (10.3%) | |
Differentiation | w/d, m/d | 227 (93.4%) | 16 (6.6%) | 0.031 |
p/d | 7 (70.0%) | 3 (30.0%) |