Table 1.
Characteristics of liver cancer patients in the TCGA database.
| Characteristics | Number of cases | Percentages (%) |
|---|---|---|
| Age | ||
| <65 | 224 | 53.59 |
| ≥65 | 152 | 36.36 |
| Not available | 42 | 10.05 |
| Gender | ||
| Male | 272 | 65.07 |
| Female | 146 | 34.93 |
| Survival status | ||
| Alive | 271 | 64.83 |
| Dead | 147 | 35.17 |
| Histological type | ||
| HCC | 377 | 90.19 |
| CCA | 41 | 9.81 |
| Stage | ||
| I | 194 | 46.41 |
| II | 98 | 23.44 |
| III | 90 | 21.53 |
| IV | 12 | 2.87 |
| Not available | 24 | 5.75 |
| Histological grade | ||
| G1 | 55 | 13.16 |
| G2 | 180 | 43.06 |
| G3 | 124 | 29.67 |
| G4 | 13 | 3.11 |
| Not available | 46 | 11.00 |
| T classification | ||
| T1 | 204 | 48.80 |
| T2 | 107 | 25.60 |
| T3 | 90 | 21.53 |
| T4 | 14 | 3.35 |
| Not available | 3 | 0.72 |
| N classification | ||
| N0 | 290 | 69.38 |
| N1 | 8 | 1.91 |
| Not available | 120 | 28.71 |
| M classification | ||
| M0 | 303 | 72.49 |
| M1 | 8 | 1.91 |
| Not available | 107 | 25.60 |
Abbreviations: HCC: hepatocellular carcinoma; CCA: cholangiocarcinoma.