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  • Title: Fibrosis index based on four factors better predicts advanced fibrosis or cirrhosis than aspartate aminotransferase/platelet ratio index in chronic hepatitis C patients.
    Author: Wang CC, Liu CH, Lin CL, Wang PC, Tseng TC, Lin HH, Kao JH.
    Journal: J Formos Med Assoc; 2015 Oct; 114(10):923-8. PubMed ID: 26279173.
    Abstract:
    BACKGROUND/PURPOSE: Liver biopsy is the gold standard to determine the severity of hepatic fibrosis despite its risk and invasiveness. The aspartate aminotransferase/platelet ratio index (APRI) could noninvasively predict the severity of hepatic fibrosis in chronic hepatitis C (CHC) patients. Whether fibrosis index based on four factors (FIB-4) could better predict the severity of hepatic fibrosis than APRI in CHC patients remains inconclusive. METHODS: This retrospective study enrolled 1473 CHC patients (784 men and 689 women) with liver biopsy and clinical data including age, aspartate aminotransferase, alanine aminotransferase, and platelet count. FIB-4 and APRI were calculated with a formula using the four clinical parameters. Hepatic fibrosis was staged using the Metavir classification system. RESULTS: The areas under the receiver operating characteristics of FIB-4 for the diagnosis of significant fibrosis (≥ F2), advanced fibrosis (≥ F3), and cirrhosis (F4) were 0.816 [95% confidence interval (CI), 0.795-0.836], 0.827 (95% CI, 0.806-0.849), and 0.849 (95% CI, 0.830-0.867), respectively, compared with those of APRI-0.799 (95% CI, 0.778-0.819), 0.791 (95% CI, 0.770-0.812), and 0.802 (95% CI, 0.781-0.922). In addition, the areas under the receiver operating characteristics of FIB-4 were significantly greater than those of APRI for patients with advanced fibrosis and cirrhosis, respectively (p < 0.0001). CONCLUSION: FIB-4 could predict hepatic fibrosis in CHC patients. By adding two parameters (age and alanine aminotransferase), FIB-4 better predicts advanced fibrosis and cirrhosis than APRI in CHC patients.
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