Exam

Fibrosis Probability Score

search

Fibrosis Probability Score, FIB-4 Index

  • Indications
  1. Hepatitis B risk for fibrosis
  2. Nonalcoholic Fatty Liver Disease assessment for Fibrosis (NASH)
  • Criteria
  1. Score = (Age x AST) / (

    x sqrRoot(ALT))

  • Interpretation
  1. Score <1.45: Negative for Cirrhosis
  2. Score >3.25: Consistent with Cirrhosis
  • Efficacy