Table 4. Clinicopathological characteristics of patient samples in TCGA KIRC.
| Characteristics | Number of cases (%) |
| Age (y) | |
| ≥60 | 271(50.5) |
| <60 | 266(49.5) |
| Gender | |
| Male | 346(64.4) |
| Female | 191(35.6) |
| Pathologic grade | |
| G1 | 14(2.6) |
| G2 | 230(42.8) |
| G3 | 207(38.6) |
| G4 | 78(14.5) |
| GX/Unknow | 8(1.5) |
| Clinical stage | |
| I | 269(50.1) |
| II | 57(10.6) |
| III | 125(23.3) |
| IV | 83(15.5) |
| Unknow | 3(0.5) |
| T classification | |
| T1 | 275(51.2) |
| T2 | 69(12.8) |
| T3 | 182(33.9) |
| T4 | 11(2.0) |
| N classification | |
| N0 | 240(44.7) |
| N1 | 17(3.2) |
| NX/Unknow | 280(52.1) |
| Metastasis | |
| No | 426(79.3) |
| Yes | 79(14.7) |
| Unknow | 32(6.0) |
| Vital states (at follow-up) | |
| Alive | 367(68.3) |
| Dead | 170(31.7) |