Research Article

[Retracted] Prediction of Prognosis and Molecular Mechanism of Ferroptosis in Hepatocellular Carcinoma Based on Bioinformatics Methods

Table 2

Patients’ clinical characteristics in TCGA and GSE76427.

VariablesTraining datasetValidation cohort
Two random internal verification cohortsGSE external verification cohort
TCGA dataset ()First cohort ()Second cohort ()GSE7642 dataset ()

Age
 ≤60165 (48.1%)78 (45.6%)87 (50.6%)48 (41.7%)
 >60178 (51.9%)93 (54.4%)85 (49.4%)67 (58.3%)
Gender
 Female110 (32.1%)49 (28.7%)61 (35.5%)22 (19.1%)
 Male233 (67.9%)122 (71.3%)111 (64.5%)93 (80.9%)
Grade
214 (62.4%)111 (64.9%)103 (59.9%)0 (0.0%)
124 (36.2%)59 (34.5%)65 (37.8%)0 (0.0%)
 Unknown5 (1.5%)1 (0.6%)4 (2.3%)115 (100.0%)
Stage
238 (69.4%)117 (68.4%)121 (70.3%)90 (78.3%)
83 (24.2%)42 (24.6%)41 (23.8%)24 (20.9%)
 Unknown22 (6.4%)12 (7.0%)10 (5.8%)1 (0.8%)
T
252 (73.5%)126 (73.7%)126 (73.3%)0 (0.0%)
88 (25.7%)45 (26.3%)43 (25.0%)0 (0.0%)
 Unknown3 (0.9%)0 (0.0%)3 (1.7%)115 (100.0%)
M
 M0245 (71.4%)126 (73.7%)119 (69.2%)0 (0.0%)
 M13 (0.9%)2 (1.2%)1 (0.6%)0 (0.0%)
 Unknown95 (27.7%)43 (25.1%)52 (30.2%)115 (100.0%)
N
 N0239 (69.7%)120 (70.2%)119 (69.2%)0 (0.0%)
 N13 (0.9%)3 (1.8%)0 (0.0%)0 (0.0%)
 Unknown101 (29.5%)48 (28.1%)53 (30.8%)115 (100.0%)