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Table 1 Clinical characteristics of the ccRCC patients in test and validation sets

From: Low expression of ferritinophagy-related NCOA4 gene in relation to unfavorable outcome and defective immune cells infiltration in clear cell renal carcinoma

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%)