Discriminant Function Calculator

Free calculate Maddrey Discriminant Function for alcoholic hepatitis. This is an educational tool only - always consult a healthcare provider.

Laboratory Values

If not provided, will use PT directly

Results

Enter lab values to calculate discriminant function

About Maddrey DF

  • • Formula: DF = 4.6 × (PT - Control PT) + Bilirubin
  • • Score ≥32: Severe disease, consider corticosteroids
  • • Score <32: Lower risk, supportive care
  • • Used for alcoholic hepatitis prognosis