Table 1. Clinical data of the ccRCC patients.
| Clinical parameters | Variable | Total (530) | Percentages (%) |
|---|---|---|---|
| Age | <60 | 245 | 46% |
| ≥60 | 285 | 54% | |
| Gender | Female | 186 | 35.56% |
| Male | 344 | 64.44% | |
| Histological grade | G1 | 14 | 2.64% |
| G2 | 227 | 42.83% | |
| G3 | 206 | 38.86% | |
| G4 | 75 | 14.15% | |
| GX | 5 | 0.94% | |
| Unknow | 3 | 0.56% | |
| Pathological stage | Stage I | 265 | 50.00% |
| Stage II | 57 | 10.75% | |
| Stage III | 123 | 23.20% | |
| Stage IV | 82 | 15.47% | |
| Unknow | 3 | 0.56% | |
| T stage | T1 | 271 | 51.21% |
| T2 | 69 | 12.84% | |
| T3 | 179 | 33.89% | |
| T4 | 11 | 2.04% | |
| M stage | M0 | 420 | 79.24% |
| M1 | 78 | 14.71% | |
| Mx | 30 | 5.66% | |
| Unknow | 2 | 0.37% | |
| N stage | N0 | 239 | 45.09% |
| N1 | 16 | 3.01% | |
| NX | 275 | 51.88% | |
| Disease free status | Recurred/Progressed | 125 | 23.58% |
| Disease free | 308 | 58.11% | |
| Unknow | 97 | 18.30% | |
| Survival status | Death | 166 | 31.32% |
| Alive | 364 | 68.68% |