Table 1. Epidemiological and clinical characteristics of study subjects.
| ccRCC patients | Healthy controls | |
|---|---|---|
| N = 69 | N = 36 | |
| Male (N, proportion) | 50 (0.72) | 24 (0.67) |
| Age (years) | 66 (33-87) | 65 (40-79) |
| pT stage* | ||
| pT1 | 54 | NA |
| pT2 | 4 | NA |
| pT3 | 11 | NA |
| pT4 | 0 | NA |
| pN stage* | ||
| pN0 | 69 | NA |
| pN1 | 0 | NA |
| pM stage* | ||
| pM0 | 69 | NA |
| pM1 | 0 | NA |
| Fuhrman grade† | ||
| G1 | 11 | NA |
| G2 | 40 | NA |
| G3 | 13 | NA |
| G4 | 5 | NA |
| *pT,N,M stages accordingly to American Joint Committee on Cancer Staging Manual. †The grading scheme used in RCC. RCC - renal cell carcinoma, ccRCC - clear-cell renal cell carcinoma, NA - not applicable. | ||