Table 2.
Clinicopathological characteristics of the HCC patients in TCGA database.
| Clinicopathological variables | TCGA (n = 345) | Percentage (%) |
|---|---|---|
| Gender | ||
| Male | 234 | 67.80 |
| Female | 111 | 32.20 |
| Race | ||
| Asians | 144 | 41.70 |
| Other | 192 | 55.70 |
| Unknown | 9 | 2.60 |
| Residual tumor status | ||
| With tumor | 140 | 40.60 |
| Tumor-free | 190 | 55.10 |
| Unknown | 15 | 4.40 |
| Recurrence | ||
| YES | 161 | 46.70 |
| NO | 184 | 53.30 |
| BMI | ||
| < 25 | 186 | 53.90 |
| ≥25 | 159 | 46.10 |
| HBV | ||
| Positive | 102 | 29.56 |
| Negative | 232 | 67.25 |
| Unknow | 11 | 3.19 |
| HCV | ||
| Positive | 52 | 15.07 |
| Negative | 282 | 81.74 |
| Unknow | 11 | 3.19 |
| Risk factor history | ||
| Alcohol abuse* | 116 | 33.60 |
| Other risk factor without alcoholic abuse | 140 | 40.60 |
| No history of primary risk factors | 89 | 25.80 |
| Histologic Grade | ||
| Grade 1–Grade 2 | 217 | 62.90 |
| Grade 3–Grade 4 | 125 | 26.20 |
| Unknown | 3 | 0.90 |
| TNM stage¶ | ||
| Stage 1 | 174 | 50.40 |
| Stage 2 | 80 | 23.20 |
| Stage 3 | 91 | 26.40 |
*Among the 116 patients with alcohol abuse history, 24 patients were HBV positive and 19 patients were HCV positive. ¶Stage 1 includes stage I; Stage 2 includes stage II; stage 3 includes stages IIIA, IIIB, IIIC, IV (IVA, IVB).