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Table 2 Disease factors in the nonrecurrence and recurrence groups

From: Diffusion-weighted imaging for identifying patients at high risk of tumor recurrence following liver transplantation

VariableNonrecurrence
(n = 81)
Recurrence
(n = 16)
P
Preoperatively available data
 AFP level (ng/mL)15.03 ± 21.6019.02 ± 28.850.526
 Pre-LT treatment  0.721
  Yes6814 
  No132 
 Tumors detected on MRI
  Numbers  <  0.001
   No viable tumor605 
   Within UCSF criteria2111 
  Largest tumor size (cm)2.83 ± 1.483.15 ± 1.770.596
  Quantitative indices
   DWIT/L1.31 ± 0.361.56 ± 0.410.093
   ADCmean (×  10− 3 mm2/s)1.50 ± 0.271.32 ± 0.300.111
   ADCmin (× 10−3 mm2/s)1.07 ± 0.210.78 ± 0.190.001
Postoperatively available data
 Histopathologic features  < 0.001
  Hepatocellular carcinoma
   Grade 1–27910 
   Grade 3–403 
  HCC + I-CC11 
  HCC + cHCC-CC12 
 Microvascular invasion  < 0.001
  No727 
  Yes99 
  1. Data are presented as numbers or mean ± SD
  2. AFP Alpha-fetoprotein, DWIT/L Tumor-to-liver diffusion weighted imaging ratio, ADC Apparent diffusion coefficient, I-CC Intrahepatic cholangiocarcinoma, cHCC-CC Combined hepatocellular cholangiocarcinoma