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© Research
Publication : Alimentary pharmacology & therapeutics

The accuracy of the FIB-4 index for the diagnosis of mild fibrosis in chronic hepatitis B

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Alimentary pharmacology & therapeutics - 17 Nov 2008

Mallet V, Dhalluin-Venier V, Roussin C, Bourliere M, Pettinelli ME, Giry C, Vallet-Pichard A, Fontaine H, Pol S

Link to Pubmed [PMID] – 19035983

Aliment. Pharmacol. Ther. 2009 Feb;29(4):409-15

BACKGROUND: The Fib-4 index is a simple and inexpensive biomarker to delineate liver fibrosis in chronic hepatitis C.

AIM: To assess the accuracy of the FIB-4 index in chronic hepatitis B.

METHODS: We compared the FIB-4 index with 138 synchronous liver biopsies and with 372 synchronous FibroTest performed either in France or in an endemic area (Mayotte, an overseas collectivity of France).

RESULTS: The FIB-4 index allowed the correct identification of patients with nil-to-moderate fibrosis with an area under the receiving operating characteristic curve of 0.81 (P or=20 mm). A cut-off value <or=1.45 differentiated moderate fibrosis from severe fibrosis with a negative predictive value of 86%, a sensitivity of 71.1% and a specificity of 73.1%. Beyond 1.45, the FIB-4 index was not informative. The FIB-4 index was more precise than the AST-to-platelet ratio index and correlated with the FibroTest in 89% of the cases (kappa = 0.27, P < 0.001) to exclude severe fibrosis.

CONCLUSION: The FIB-4 index is a simple, accurate and inexpensive method to exclude significant liver fibrosis in chronic hepatitis B, a major advantage in HBV-endemic developing countries.

https://www.ncbi.nlm.nih.gov/pubmed/19035983