Table 1.
Characteristics of TCGA Cohort with Clear Cell Renal Cell Carcinoma
| Variables | Total Cohort (n=509) | C1 Cohort (n=389) | C2 Cohort (n=140) | |||
|---|---|---|---|---|---|---|
| Survival | ||||||
| Alive | 348 | (68) | 276 | (75) | 72 | (51) |
| Death | 161 | (32) | 93 | (25) | 68 | (49) |
| Age, years | ||||||
| ≤65 | 336 | (66) | 244 | (66) | 92 | (66) |
| >65 | 173 | (34) | 125 | (34) | 48 | (34) |
| Gender | ||||||
| Female | 181 | (36) | 142 | (38) | 39 | (28) |
| Male | 328 | (64) | 227 | (62) | 101 | (72) |
| Grade | ||||||
| G1 | 13 | (3) | 12 | (3) | 1 | (1) |
| G2 | 215 | (42) | 169 | (46) | 46 | (33) |
| G3 | 199 | (39) | 138 | (37) | 61 | (44) |
| G4 | 74 | (15) | 42 | (11) | 32 | (23) |
| GX | 5 | (1) | 5 | (1) | 0 | (0) |
| Unknown | 3 | (1) | 3 | (1) | 0 | (0) |
| Stage | ||||||
| Stage I | 249 | (49) | 204 | (55) | 45 | (32) |
| Stage II | 54 | (11) | 41 | (11) | 13 | (9) |
| Stage III | 121 | (24) | 74 | (20) | 47 | (34) |
| Stage IV | 82 | (16) | 49 | (13) | 33 | (24) |
| Unknown | 3 | (1) | 1 | (0) | 2 | (1) |
| T | ||||||
| T1 | 255 | (50) | 208 | (56) | 47 | (34) |
| T2 | 66 | (13) | 47 | (13) | 19 | (14) |
| T3 | 177 | (35) | 107 | (29) | 70 | (50) |
| T4 | 11 | (2) | 7 | (2) | 4 | (3) |
| N | ||||||
| N0 | 230 | (45) | 173 | (47) | 57 | (41) |
| N1 | 16 | (3) | 9 | (2) | 7 | (5) |
| NX | 263 | (52) | 187 | (51) | 76 | (54) |
| M | ||||||
| M0 | 400 | (79) | 301 | (82) | 99 | (71) |
| M1 | 78 | (15) | 47 | (13) | 31 | (22) |
| MX | 29 | (6) | 19 | (5) | 10 | (7) |
| Unknown | 2 | (0) | 2 | (1) | 0 | (0) |