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Table 1 Clinical pathological parameters of liver cancer patients in TCGA database

From: Identification of DNA repair-related genes predicting pathogenesis and prognosis for liver cancer

Clinical pathological parameters N %
Age
 ≤ 61 195 52
 > 61 181 48
Tissue
 Adjacent noncancerous tissue 50 12
 Liver cancer 377 88
Gender
 Male 255 68
 Female 122 32
TNM stage
 T1 + T2 280 75
 T3 + T4 94 25
Stage
 Stage1 + stage2 262 74
 Stage3 + stage4 91 26
Grade
 Grade1 + grade2 235 63
 Grade3 + grade4 137 37
Cancer status
 Tumor free 236 68
 With tumor 113 32
Family history of liver cancer
 No 212 65
 Yes 114 35
Paired samples from China
 0 HCC nodule 2 40
 1 HCC nodule 2 40
 2 HCC nodules 1 20
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