Table 1 Characteristics of ccRCC patients included in this study
Variable | Training cohort (n = 294) | Testing cohort (n = 192) | TCGA cohort (n = 486) | P |
|---|---|---|---|---|
Number (%) | Number (%) | Number (%) | ||
Age | 0.9261 | |||
 ≤ 60 | 148 (50.34) | 95 (49.48) | 243 (50.00) |  |
 > 60 | 146 (49.66) | 97 (50.52) | 243 (50.00) |  |
Gender | 0.6231 | |||
 Female | 102 (34.69) | 62 (32.29) | 164 (33.74) |  |
 Male | 192 (65.31) | 130 (67.71) | 322 (66.26) |  |
Grade | 0.1454 | |||
 G1 | 7 (2.38) | 3 (1.56) | 10 (2.06) |  |
 G2 | 125 (42.52) | 85 (44.27) | 210 (43.21) |  |
 G3 | 126 (42.86) | 68 (35.42) | 194 (39.92) |  |
 G4 | 36 (12.24) | 36 (18.75) | 72 (14.81) |  |
AJCC stage | 0.9623 | |||
 I | 142 (48.3) | 94 (48.96) | 236 (48.56) |  |
 II | 32 (10.88) | 18 (9.38) | 50 (10.29) |  |
 III | 72 (24.49) | 48 (25) | 120 (24.69) |  |
 IV | 48 (16.33) | 32 (16.67) | 80 (16.46) |  |
T stage | 0.5685 | |||
 T1 | 144 (48.98) | 98 (51.04) | 242 (49.79) |  |
 T2 | 41 (13.95) | 20 (10.42) | 61 (12.55) |  |
 T3 | 101 (34.35) | 71 (36.98) | 172 (35.39) |  |
 T4 | 8 (2.72) | 3 (1.56) | 11 (2.26) |  |
M stage | 0.9837 | |||
 M0 | 248 (84.35%) | 161 (83.85%) | 409 (84.16%) |  |
 M1 | 46 (15.65%) | 31 (16.15%) | 77 (15.84%) |  |