FIB-4 and APRI scores for predicting severe fibrosis in chronic hepatitis C - a developing country's perspective in

Uros Karic1, Ivana Pesic-Pavlovic2, Goran Stevanovic3

  • 1Clinical Centre of Serbia, Belgrade, Serbia. uroskaric@gmail.com.

Insights

The Fibrosis-4 Index (FIB-4) accurately identifies patients without severe liver fibrosis in chronic Hepatitis C Virus (HCV) infection. FIB-4 demonstrated superior performance compared to the AST to Platelet Ratio Index (APRI) in this patient group.

Area of Science:

  • Hepatology
  • Virology
  • Medical Diagnostics

Background:

  • Chronic Hepatitis C Virus (HCV) infection causes progressive liver fibrosis, necessitating accurate staging.
  • Non-invasive fibrosis scores are emerging as alternatives to liver biopsy.
  • The Fibrosis-4 Index (FIB-4) and AST to Platelet Ratio Index (APRI) are widely used non-invasive markers.

Purpose of the Study:

  • To evaluate the accuracy of FIB-4 and APRI scores in identifying patients with chronic HCV infection who are unlikely to have severe fibrosis.
  • To compare the diagnostic performance of FIB-4 and APRI for significant fibrosis detection.

Main Methods:

  • Analysis of 142 patients with chronic HCV infection who underwent liver biopsy.
  • Calculation of FIB-4 and APRI scores for each patient.
  • Comparison of calculated scores with histologically determined fibrosis stages.

Main Results:

  • Patients with non-severe fibrosis were younger, had higher platelet counts, and lower transaminase levels.
  • FIB-4 achieved an Area Under the Curve (AUC) of 0.875, while APRI achieved an AUC of 0.861.
  • FIB-4 demonstrated superior accuracy in identifying severe fibrosis compared to APRI within the study cohort.

Conclusions:

  • FIB-4 is superior to APRI in recognizing severe fibrosis in chronic HCV patients.
  • FIB-4 is a valuable tool for identifying patients without advanced liver disease, particularly when other non-invasive methods are unavailable.
Abstract