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  • Title: Correlation of liver biochemistry with liver stiffness in chronic hepatitis B and development of a predictive model for liver fibrosis.
    Author: Fung J, Lai CL, Fong DY, Yuen JC, Wong DK, Yuen MF.
    Journal: Liver Int; 2008 Dec; 28(10):1408-16. PubMed ID: 18482268.
    Abstract:
    UNLABELLED: Abstract Aim: To correlate liver stiffness with demographical factors and routine liver biochemistry and to assess the predictive value of these as potential markers of fibrosis. METHODS: Transient elastography was performed in 1268 chronic hepatitis B (CHB) patients. According to a previous validated study for CHB, liver stiffness of >8.1 and >10.3 kPa were used as cut-off values for defining severe fibrosis and cirrhosis respectively. RESULTS: Liver stiffness correlated positively with bilirubin, alkaline phosphatase (ALP), gamma-glutamyl transpeptidase (GGT), aspartate aminotransferase (AST), alanine aminotransferase (ALT), globulin, alpha-fetoprotein (AFP) and HBV DNA levels and negatively with albumin and platelet levels (P<0.05 for all correlations). From 13 parameters (age, sex, platelet, AST, ALT, GGT, AFP, albumin, globulin, bilirubin, ALP, HBV DNA and hepatitis B e-antigen), four best parameters (AST, platelet, GGT and AFP) were used to derive a liver stiffness model. Using log (index)=1.44+0.1490(GGT)+0.3308 log (AST)-0.5846 log (platelets)+0.1148 log (AFP+1) to predict both severe fibrosis and cirrhosis had area under the receiver operating characteristics curve of 0.85. CONCLUSION: Routine liver biochemistry correlated well with liver stiffness in Asian CHB patients. A model using simple serum markers can predict liver stiffness, and further studies are required to validate the usefulness of these simple tests as non-invasive markers of fibrosis in CHB.
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