Table 1 Clinicopathologic characteristics of patients
Parameters | AMLRI ≤ 3.33 (n = 72) | AMLRI > 3.33 (n = 307) | All patients (n = 379) | p value |
|---|---|---|---|---|
Age (years) | 57(49.25–62) | 57(51–65) | 57(50–64) | 0.378 |
Age ≥ 60 years | 30 (41.7%) | 126 (41.0%) | 156 (41.2%) | 0.923 |
Female | 29 (40.3%) | 115 (37.5%) | 144 (38.0%) | 0.657 |
BMI ≥ 24 kg/m2 | 28 (38.9%) | 166 (54.1%) | 194 (51.2%) | 0.020* |
ASA score 1–2 | 5 (6.9%) | 36 (11.7%) | 41 (10.8%) | 0.240 |
Primary site colon | 39 (54.2%) | 165 (53.7%) | 204 (53.8%) | 0.949 |
Right hemicolon | 13 (18.1%) | 51 (16.6%) | 64 (16.9%) | 0.769 |
R0 resection | 53 (73.6%) | 206 (67.1%) | 259 (68.3%) | 0.285 |
Poorly differentiated | 13 (18.1%) | 86 (28.0%) | 99 (26.1%) | 0.083 |
T3-T4 | 69 (95.8%) | 278 (90.6%) | 347 (91.6%) | 0.147 |
N1-N2 | 47 (65.3%) | 217 (70.7%) | 264 (69.7%) | 0.369 |
Synchronous metastasis | 58 (80.6%) | 232 (75.6%) | 290 (76.5%) | 0.369 |
Extrahepatic metastases | 13 (18.1%) | 33 (10.7%) | 46 (12.1%) | 0.088 |
Diameter of metastases > 5 cm | 6 (8.3%) | 39 (12.7%) | 45 (11.9%) | 0.302 |
Multiple metastases | 30 (41.7%) | 173 (56.4%) | 203 (53.6%) | 0.025* |
Bilobar distribution | 16 (22.2%) | 117 (38.1%) | 133 (35.1%) | 0.011* |
Preoperative CEA > 50 ng/ml | 10 (13.9%) | 62 (20.2%) | 72 (19.0%) | 0.220 |
CRS 3–5 | 22 (30.6%) | 137 (44.6%) | 159 (42.0%) | 0.029* |
Major liver resection | 19 (26.4%) | 131 (42.7%) | 150 (39.6%) | 0.011* |
Hepatectomy only | 18 (25.0%) | 112 (36.5%) | 130 (34.3%) | 0.065 |
Radio frequency ablation | 5 (6.9%) | 37 (12.1%) | 42 (11.1%) | 0.214 |
Preoperative chemotherapy | 23 (31.9%) | 173 (56.4%) | 196 (51.7%) | < 0.001* |
Postoperative chemotherapy | 39 (54.2%) | 154 (50.2%) | 193 (50.9%) | 0.541 |
Comorbidity | 35 (48.6%) | 136 (44.3%) | 171 (45.1%) | 0.508 |
Postoperative complication | 36 (50.0%) | 143 (46.6%) | 179 (47.2%) | 0.601 |
Postoperative major complication | 7 (9.7%) | 62 (20.2%) | 68 (17.9%) | 0.043* |
Serious operation injury condition | 24 (33.3%) | 138 (45.0%) | 162 (42.7%) | 0.073 |
AMLRI | 2.57 (1.87–3.01) | 6.57 (4.92–10.09) | 5.67 (3.82–8.90) | < 0.001* |
AST (U/L) | 16.00(13.25–18.00) | 23(18–29) | 21(16–27) | < 0.001* |
MLR | 0.16 (0.12–0.19) | 0.29 (0.23–0.39) | 0.27 (0.20–0.36) | < 0.001* |
Blood loss (ml) | 252.5 (180.0–332.5) | 200 (100–400) | 200 (100–400) | 0.710 |
Operation time (min) | 252.5 (180.00–332.5) | 294 (184–378) | 284 (180–370) | 0.107 |