Table 1 Clinical characteristics of the ccRCC patients in test and validation sets
Clinical factor | Test set | Validation set | Overall |
|---|---|---|---|
(n = 355) | (n = 178) | (n = 533) | |
Age | |||
 Mean | 60.73802817 | 60.40449438 | 60.62664165 |
 Median[min, max] | 61[26, 88] | 60[29, 90] | 61[26, 90) |
Gender | |||
 Male | 235(66.2%) | 68(38.2%) | 303(56.8%) |
 Female | 120(33.8%) | 110(61.8%) | 230(43.2%) |
Overall Survival time | |||
 Mean | 1401.886686 | 1243.398876 | 1348.758945 |
 Median[min, max] | 1230[3, 4537] | 1131.5[2, 3987] | 1191[2, 4537] |
 Missing | 2 | 0 | 2 |
Survival State | |||
 Living | 240(67.6%) | 116(65.2%) | 356(66.8%) |
 Dead | 113(31.8%) | 62(34.8%) | 175(32.8%) |
 Missing | 2(0.6%) | 0(0%) | 2(0.4%) |
Laterality | |||
 Left | 170(47.9%) | 81(45.5%) | 251(47.1%) |
 Right | 184(51.8%) | 97(54.5%) | 281(52.7%) |
 Missing | 1(0.3%) | 0(0%) | 1(0.2%) |
Histologic grade | |||
 G1 | 10(2.8%) | 4(2.2%) | 14(2.6%) |
 G2 | 152(42.8%) | 77(43.3%) | 229(43.0%) |
 G3 | 139(39.2%) | 67(37.6%) | 206(38.6%) |
 G4 | 51(14.4%) | 25(14.1%) | 76(14.3%) |
 Missing | 3(0.8%) | 5(2.8%) | 8(1.5%) |
Pathologic T | |||
 T1 | 180(50.7%) | 93(52.3%) | 273(51.2%) |
 T2 | 51(14.4%) | 18(10.1%) | 69(12.9%) |
 T3 | 118(33.2%) | 62(34.8%) | 180(33.8%) |
 T4 | 6(1.7%) | 5(2.8%) | 11(2.1%) |
Pathologic N | |||
 N0 | 164(46.2%) | 76(42.7%) | 240(45.0%) |
 N1 | 11(3.1%) | 5(2.8%) | 16(3.0%) |
 Missing | 180(50.7%) | 97(54.5%) | 277(52.0%) |
Pathologic M | |||
 M0 | 284(80.0%) | 138(77.5%) | 422(79.2%) |
 M1 | 48(13.5%) | 31(17.4%) | 79(14.8%) |
 Missing | 23(6.5%) | 9(5.1%) | 32(6.0%) |
Pathologic stage | |||
 I | 175(49.3%) | 92(51.7%) | 267(50.1%) |
 II | 45(12.7%) | 12(6.7%) | 57(10.7%) |
 III | 83(23.4%) | 40(22.5%) | 123(23.1%) |
 IV | 50(14.1%) | 34(19.1%) | 84(15.7%) |
 Missing | 2(0.5%) | 0(0%) | 2(0.4%) |