| Methylation | ||||||
| Variable | Category | Hyper | Hypo | Total | ||
| n | % | n | % | |||
| Symptomatology | No | 3 | 3.8 | 75 | 96.2 | 78 |
| Yes | 2 | 3.4 | 57 | 96.6 | 59 | |
| ECOG | 0 | 3 | 3.7 | 78 | 96.3 | 81 |
| 1/2 | 2 | 3.6 | 54 | 96.4 | 56 | |
| Fuhrman grade | High grade | 1 | 2.1 | 47 | 97.9 | 48 |
| Low grade | 4 | 4.5 | 85 | 95.5 | 89 | |
| Histological subtype | Clear cell | 4 | 3.6 | 108 | 96.4 | 112 |
| No clear cell | 1 | 4.0 | 24 | 96.0 | 25 | |
| Microscopic venous invasion | No | 3 | 2.7 | 110 | 97.3 | 113 |
| Yes | 2 | 8.3 | 22 | 91.7 | 24 | |
| Clinical TNM stage | I/II | 4 | 4.1 | 94 | 95.9 | 98 |
| III/IV | 1 | 2.6 | 38 | 97.4 | 39 | |