JOURNAL ARTICLE

Development of a non-invasive algorithm with transient elastography (Fibroscan) and serum test formula for advanced liver fibrosis in chronic hepatitis B

G L H Wong, V W S Wong, P C L Choi, A W H Chan, H L Y Chan
Alimentary Pharmacology & Therapeutics 2010, 31 (10): 1095-103
20180785

BACKGROUND: Non-invasive assessments of liver fibrosis in chronic hepatitis B were well established.

AIM: To develop a combined algorithm of liver stiffness measurement (LSM) and serum test formula to predict advanced liver fibrosis in chronic hepatitis B.

METHODS: We reported an alanine aminotransferase (AST)-based LSM algorithm for liver fibrosis in 156 chronic hepatitis B patients, which formed the training cohort to evaluate the performance of APRI (AST-to-platelet-ratio-index), Forns index, FIB-4 and Fibroindex against liver histology. The best combined LSM-serum formula algorithm would be validated in another cohort of 82 chronic hepatitis B patients.

RESULTS: In the training cohort, LSM has the best performance of diagnosing advanced (> or =F3) fibrosis [area under the receiver operating characteristics curve (AUROC) 0.88, 95% confidence interval (CI) 0.85-0.91], while Forns index has the best performance among the various serum test formulae (AUROC 0.70, 95% CI 0.62-0.78). In the combined algorithm, low LSM or low Forns index could be used to exclude advanced fibrosis as both of them had high sensitivity (>90%). To confirm advanced fibrosis, agreement between high LSM and high Forns index could improve the specificity (from 99% to 100% and from 87% to 98% in the training and validation cohorts respectively).

CONCLUSION: A combined LSM-Forns algorithm can improve the accuracy to predict advanced liver fibrosis in chronic hepatitis B.

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