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Table 1 Characteristics of ccRCC patients included in this study

From: Prediction of overall survival based upon a new ferroptosis-related gene signature in patients with clear cell renal cell carcinoma

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%)