Table 1.
Clinical characteristics of the KIRC patients.
| Overall | Test | Train | p | |
|---|---|---|---|---|
| n | 530 | 264 | 266 | |
| Age (mean (SD)) | 60.56 (12.14) | 60.48 (11.76) | 60.65 (12.52) | 0.875 |
| Gender = female/male (%) | 186/344 (35.1/64.9) | 82/182 (31.1/68.9) | 104/162 (39.1/60.9) | 0.065 |
| Grade (%) | 0.432 | |||
| G1 | 14 (2.6) | 5 (1.9) | 9 (3.4) | |
| G2 | 227 (42.8) | 108 (40.9) | 119 (44.7) | |
| G3 | 206 (38.9) | 110 (41.7) | 96 (36.1) | |
| G4 | 75 (14.2) | 36 (13.6) | 39 (14.7) | |
| GX | 5 (0.9) | 4 (1.5) | 1 (0.4) | |
| Unknown | 3 (0.6) | 1 (0.4) | 2 (0.8) | |
| Stage (%) | 0.169 | |||
| Stage I | 265 (50.0) | 125 (47.3) | 140 (52.6) | |
| Stage II | 57 (10.8) | 26 (9.8) | 31 (11.7) | |
| Stage III | 123 (23.2) | 68 (25.8) | 55 (20.7) | |
| Stage IV | 82 (15.5) | 45 (17.0) | 37 (13.9) | |
| Unknown | 3 (0.6) | 0 (0.0) | 3 (1.1) | |
| T (%) | 0.414 | |||
| T1 | 21 (4.0) | 10 (3.8) | 11 (4.1) | |
| T1a | 140 (26.4) | 68 (25.8) | 72 (27.1) | |
| T1b | 110 (20.8) | 49 (18.6) | 61 (22.9) | |
| T2 | 55 (10.4) | 27 (10.2) | 28 (10.5) | |
| T2a | 10 (1.9) | 3 (1.1) | 7 (2.6) | |
| T2b | 4 (0.8) | 1 (0.4) | 3 (1.1) | |
| T3 | 5 (0.9) | 2 (0.8) | 3 (1.1) | |
| T3a | 120 (22.6) | 69 (26.1) | 51 (19.2) | |
| T3b | 52 (9.8) | 30 (11.4) | 22 (8.3) | |
| T3c | 2 (0.4) | 0 (0.0) | 2 (0.8) | |
| T4 | 11 (2.1) | 5 (1.9) | 6 (2.3) | |
| M (%) | 0.283 | |||
| M0 | 420 (79.2) | 209 (79.2) | 211 (79.3) | |
| M1 | 78 (14.7) | 43 (16.3) | 35 (13.2) | |
| MX | 30 (5.7) | 12 (4.5) | 18 (6.8) | |
| Unknown | 2 (0.4) | 0 (0.0) | 2 (0.8) | |
| N (%) | 0.68 | |||
| N0 | 239 (45.1) | 124 (47.0) | 115 (43.2) | |
| N1 | 16 (3.0) | 8 (3.0) | 8 (3.0) | |
| NX | 275 (51.9) | 132 (50.0) | 143 (53.8) | |
| Risk = high/low (%) | 271/259 (51.1/48.9) | 138/126 (52.3/47.7) | 133/133 (50.0/50.0) | 0.663 |