Table 1 Clinical data summary of studied ccRCC datasets
| Â | CKC dataset | Percentage | TCGA dataset | Percentage |
|---|---|---|---|---|
Sample (matched normal) | 55 (11) | Â | 533 (72) | Â |
Average of age (range) | 58.3 (25–80) |  | 60.63 (26–90) |  |
Gender | ||||
 Male | 41 | 74.5 | 345 | 64.7 |
 Female | 14 | 25.5 | 188 | 35.3 |
Race | ||||
 White | 0 | 0. | 462 | 86. |
 Black | 0 | 0.0 | 56 | 10.5 |
 Asian | 55 | 100.0 | 8 | 1.5 |
 Not available | 0 | 0.0 | 7 | 1.3 |
Vital status | ||||
 Alive | 55 | 100.0 | 358 | 67.2 |
 Dead | 0 | 0.0 | 175 | 32.8 |
Metastasis | ||||
 Mets− | 51 | 92.7 | 422 | 79.2 |
 Mets+ | 4 | 7.3 | 109 | 20.5 |
 Not available | 0 | 0.0 | 2 | 0.4 |
Pathologic stage | ||||
 Stage I | 41 | 74.5 | 267 | 50.1 |
 Stage II | 3 | 5.5 | 57 | 10.7 |
 Stage III | 11 | 20.0 | 123 | 23.1 |
 Stage IV | 0 | 0.0 | 83 | 15.6 |
 Not available | 0 | 0.0 | 3 | 0.6 |
Histologic grade | ||||
 Grade1 | 8 | 14.5 | 14 | 2.6 |
 Grade2 | 29 | 52.7 | 229 | 43.0 |
 Grade3 | 13 | 23.6 | 206 | 38.6 |
 Grade4 | 4 | 7.3 | 76 | 14.3 |
 Not available | 1 | 1.8 | 3 | 0.6 |