Table 5.
Clinical characteristics of ccRCC patients included in this study.
| Variables | Total TCGA-KIRC | Training group | Testing group | GEO cohort |
|---|---|---|---|---|
| (N = 504) | (N = 252) | (N = 252) | (N = 39) | |
| Age (Mean ± SD) | 60.47 ± 12.16 | 61.71 ± 11.82 | 59.24 ± 12.39 | 61.38 ± 12.77 |
| Survival time (y) | 3.27 ± 2.18 | 3.13 ± 2.21 | 3.40 ± 2.15 | 2.99 ± 1.67 |
| Status | ||||
| Alive | 339 (67.26) | 169 (67.06) | 170 (67.46) | 22 (56.41) |
| Dead | 165 (32.74) | 83 (32.93) | 82 (32.54) | 17 (43.59) |
| Gender | ||||
| Male | 331 (65.67) | 157 (62.30) | 174 (69.05) | |
| Female | 173 (34.33) | 95 (37.70) | 78 (31.95) | |
| Stage | ||||
| I | 249 (49.70) | 123 (49.00) | 126 (50.40) | |
| II | 53 (10.57) | 30 (11.95) | 23 (9.20) | |
| III | 117 (23.35) | 58 (23.11) | 59 (23.60) | |
| IV | 82 (16.37) | 40 (15.94) | 42 (16.80) | |
| Grade | ||||
| 1 | 10 (2.01) | 3 (1.21) | 7 (2.80) | |
| 2 | 215 (43.26) | 110 (44.53) | 105 (42.00) | |
| 3 | 198 (39.84) | 103 (41.70) | 95 (38.00) | |
| 4 | 74 (14.89) | 31 (12.55) | 43 (17.20) | |
| T | ||||
| 1 | 255 (50.60) | 127 (50.40) | 128 (50.79) | 11 (28.21) |
| 2 | 65 (12.90) | 36 (14.29) | 29 (11.51) | 5 (22.73) |
| 3 | 173 (34.33) | 82 (32.54) | 91 (36.11) | 22 (56.1) |
| 4 | 11 (2.18) | 7 (2.78) | 4 (1.59) | 1 (2.56) |
| M | ||||
| 0 | 400 (83.68) | 201 (84.45) | 199 (82.92) | 26 (66.67) |
| 1 | 78 (16.32) | 37 (15.55) | 41 (17.08) | 13 (33.33) |
| N | ||||
| 0 | 224 (93.33) | 112 (93.33) | 112 (93.33) | 32 (82.05) |
| 1 | 16 (6.67) | 8 (6.67) | 8 (6.67) | 7 (17.95) |
Data are shown as n (%). T, tumor; M, metastasis; N, node.