Table 1.
Clinical pathological parameters of liver cancer patients in TCGA database
| Clinical pathological parameters | N | % |
|---|---|---|
| Age | ||
| ≤ 61 | 195 | 52 |
| > 61 | 181 | 48 |
| Tissue | ||
| Adjacent noncancerous tissue | 50 | 12 |
| Liver cancer | 377 | 88 |
| Gender | ||
| Male | 255 | 68 |
| Female | 122 | 32 |
| TNM stage | ||
| T1 + T2 | 280 | 75 |
| T3 + T4 | 94 | 25 |
| Stage | ||
| Stage1 + stage2 | 262 | 74 |
| Stage3 + stage4 | 91 | 26 |
| Grade | ||
| Grade1 + grade2 | 235 | 63 |
| Grade3 + grade4 | 137 | 37 |
| Cancer status | ||
| Tumor free | 236 | 68 |
| With tumor | 113 | 32 |
| Family history of liver cancer | ||
| No | 212 | 65 |
| Yes | 114 | 35 |
| Paired samples from China | ||
| 0 HCC nodule | 2 | 40 |
| 1 HCC nodule | 2 | 40 |
| 2 HCC nodules | 1 | 20 |