Age
AST
ALT
Platelet Count

The FIB-4 calculator is a tool that rules out or confirms a diagnosis of advanced fibrosis.

To calculate FIB-4 you should use the following formula:
FIB-4 = (age * AST) / (platelet count * √ALT)

The FIB-4 calculator is used in order to rule out or confirm a diagnosis of advanced fibrosis.

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