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Maddrey Discriminant Function
Aka: Maddrey Discriminant Function- Indications
- Acute Alcoholic Hepatitis Prognosis
- Calculation
- Discriminant function = 4.6 x (PTa - PTc) + Bili
- Where
- PTa: Actual ProTime (PT) in seconds
- PTc: Normal ProTime (PT) in seconds (typically 11-13 s)
- Bili: Serum Bilirubin in mg/dl
- Interpretation
- Discriminant result >32 is associated with severe disease and a 1 month mortality >50%