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Table 1 The comparison of clinicopathological factors between training cohort and validation cohort

From: Competing risk analyses of overall survival and cancer-specific survival in patients with combined hepatocellular cholangiocarcinoma after surgery

Characteristic N Patients P
Training cohort Validation cohort
Total   329 230 99  
Age (median, years)    60.5 ± 10.41 50.0 ± 11.15  
Gender Male 234 161 73 0.511
Female 95 69 26
Tumor site Intrahepatic biliary tract 29 16 13 0.089
Liver 300 214 86
Tumor grade Well 8 8 0 0.058
Moderate 143 92 51
Poor 178 130 48
Tumor size ≤ 5 cm 183 137 46 0.056
>  5 cm 146 93 53
T stage (8th) I 137 93 44 0.203
II 108 83 25
III 62 38 24
IV 22 16 6
LN metastasis Absent 291 204 87 0.852
Present 38 26 12
TNM stage (8th) I 122 79 43 0.509
II 104 77 27
III 103 74 29
  1. LN lymph node, TNM Tumor-Node-Metastasis