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%) |