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Table 2 Overall survival rates and cumulative incidences of mortality among patients with CHCC after surgery
| Characteristic | Patients | Overall survival rate (%) | P | Cancer-specific mortality (%) | P | Non-cancer-specific mortality (%) | P | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | % | 1-year | 2-year | 3-year | 1-year | 2-year | 3-year | 1-year | 2-year | 3-year | |||||
| Total | 230 | 100 | 67.7 | 46.8 | 37.9 | 25.9 | 45.2 | 53.4 | 5.9 | 8.0 | 8.0 | ||||
| Age (years) | ≤ 60 | 115 | 50 | 71.8 | 50.2 | 46.9 | 0.014 | 21.1 | 40.8 | 44.2 | 0.007 | 6.4 | 8.5 | 8.5 | 0.442 |
| > 60 | 115 | 50 | 63.5 | 42.8 | 28.4 | 30.8 | 49.9 | 63.2 | 5.5 | 7.6 | 7.6 | ||||
| Gender | Male | 161 | 70 | 64.5 | 44.4 | 39.3 | 0.742 | 27.2 | 45.2 | 50.4 | 0.389 | 7.9 | 10.1 | 10.1 | 0.051 |
| Female | 69 | 30 | 74.9 | 51.5 | 35.3 | 22.9 | 45.3 | 60.0 | 1.5 | 3.3 | 3.3 | ||||
| Tumor site | Intrahepatic biliary tract | 16 | 7 | 93.3 | 77.5 | 77.5 | 0.019 | 6.7 | 22.5 | 22.5 | 0.073 | 0 | 0 | 0 | 0.222 |
| Liver | 214 | 93 | 65.8 | 44.4 | 35.5 | 27.4 | 46.8 | 55.2 | 6.4 | 8.6 | 8.6 | ||||
| Tumor grade | Well | 8 | 3 | 80.0 | 80.0 | 60.0 | 0.016 | 20.0 | 20.0 | 40.0 | 0.055 | 0 | 0 | 0 | 0.720 |
| Moderate | 92 | 40 | 76.4 | 55.1 | 50.7 | 17.1 | 36.2 | 40.6 | 6.5 | 8.7 | 8.7 | ||||
| Poor | 130 | 57 | 59.4 | 35.5 | 23.7 | 31.0 | 53.2 | 63.6 | 8.5 | 11.5 | 11.5 | ||||
| Tumor size | ≤ 5 cm | 137 | 60 | 74.8 | 55.4 | 51.2 | 0.041 | 16.0 | 33.1 | 37.4 | 0.003 | 8.4 | 10.9 | 10.9 | 0.104 |
| > 5 cm | 93 | 40 | 65.9 | 43.6 | 30.3 | 30.4 | 51.8 | 63.3 | 3.1 | 4.9 | 4.9 | ||||
| T stage (8th) | I | 93 | 40 | 82.4 | 62.3 | 55.7 | 0.015 | 11.3 | 29.9 | 34.3 | 0.005 | 6.6 | 8.5 | 8.5 | 0.568 |
| II | 83 | 36 | 69.5 | 46.2 | 39.6 | 44.5 | 42.4 | 46.7 | 6.8 | 10.6 | 10.6 | ||||
| III | 38 | 17 | 55.2 | 45.8 | 23.8 | 37.7 | 47.0 | 69.1 | 7.1 | 7.1 | 7.1 | ||||
| IV | 16 | 7 | 57.1 | 22.9 | 11.4 | 37.7 | 75.1 | 75.1 | 0 | 0 | 0 | ||||
| LN metastasis | Absent | 204 | 89 | 70.1 | 48.4 | 39.6 | 0.253 | 24.2 | 44.9 | 53.1 | 0.887 | 5.5 | 6.7 | 6.7 | 0.142 |
| Present | 26 | 11 | 52.0 | 40.4 | 27.0 | 36.0 | 41.8 | 48.5 | 12.0 | 17.8 | 17.8 | ||||
| TNM stage (8th) | I | 79 | 34 | 81.5 | 62.7 | 55.4 | 0.014 | 11.3 | 32.5 | 37.4 | 0.084 | 5.6 | 5.6 | 5.6 | 0.896 |
| II | 63 | 27 | 74.9 | 53.7 | 51.0 | 18.0 | 39.0 | 41.6 | 2.2 | 7.3 | 7.3 | ||||
| III | 88 | 39 | 55.2 | 40.0 | 27.3 | 35.7 | 48.0 | 60.6 | 9.2 | 12.1 | 12.1 | ||||
