Table 1.
Demographic features of the study population
| Liver metastasis, no (N = 1919, 95.04%) |
Liver Metastasis, yes (N = 100, 4.96%) |
P value | |
|---|---|---|---|
| Age (years) | 62.3 ± 9.2 | 63.1 ± 9.5 | 0.390 |
| Age > =65 years | 0.640 | ||
| No | 1092 (56.9%) | 54 (54.0%) | |
| Yes | 827 (43.1%) | 46 (46.0%) | |
| Sex | 0.727 | ||
| Male | 1204 (62.7%) | 65 (65.0%) | |
| Female | 715 (37.3%) | 35 (35.0%) | |
| BMI (kg/m2) | 23.9 ± 3.0 | 23.8 ± 3.1 | 0.805 |
| BMI (> = 25 kg/m2) | 0.648 | ||
| No | 1280 (66.7%) | 64 (64.0%) | |
| Yes | 638 (33.3%) | 36 (36.0%) | |
| Tumor location | 0.127 | ||
| Right | 501 (26.4%) | 19 (19.0%) | |
| Left | 1397 (73.6%) | 81 (81.0%) | |
| Heavy alcohol consumption | 1 | ||
| No | 1261 (65.7%) | 66 (66.0%) | |
| Yes | 658 (34.3%) | 34 (34.0%) | |
| GOT | 22.3 ± 9.0 | 21.8 ± 9.6 | 0.559 |
| GPT | 20.3 ± 12.8 | 19.8 ± 16.0 | 0.737 |
| Fatty liver | 0.283 | ||
| No | 1743 (95.0%) | 96 (98.0%) | |
| Yes | 91 (5.0%) | 2 (2.0%) | |
| T stage | < 0.001 | ||
| T1 stage | 359 (18.7%) | 4 (4.0%) | |
| T2 stage | 352 (18.3%) | 6 (6.0%) | |
| T3 stage | 1106 (57.6%) | 74 (74.0%) | |
| T4 stage | 102 (5.3%) | 16 (16.0%) | |
| N stage | < 0.001 | ||
| N0 | 1293 (67.4%) | 28 (28.0%) | |
| N1 | 463 (24.1%) | 39 (39.0%) | |
| N2 | 163 (8.5%) | 33 (33.0%) | |
| Lymph node metastasis | < 0.001 | ||
| Absent | 1293 (67.4%) | 28 (28.0%) | |
| Present | 626 (32.6%) | 72 (72.0%) | |
| Overall stage | < 0.001 | ||
| Stage 1 | 581 (30.3%) | 6 (6.0%) | |
| Stage 2 | 658 (34.3%) | 18 (18.0%) | |
| Stage 3 | 680 (35.4%) | 76 (76.0%) | |
| Angiolymphatic invasion | < 0.001 | ||
| Absent | 1434 (77.0%) | 57 (57.6%) | |
| Present | 429 (23.0%) | 42 (42.4%) | |
| Venous invasion | < 0.001 | ||
| Absent | 1729 (92.8%) | 75 (75.8%) | |
| Present | 134 (7.2%) | 24 (24.2%) | |
| Postoperative follow up duration | 1893.5 ± 767.7 | 1554.5 ± 784.9 | < 0.001 |
| 5-year Mortality | |||
| Alive | 1919 (100.0%) | 61 (61.0%) | < 0.001 |
| Dead | 0 (0.0%) | 39 (39.0%) |