Forn's Hepatic Fibrosis Index - Scientific Formula
Gastroenterology & Hepatology Equation
Standard Calibration Equation:
R = 7.811 - 1.383*ln(Plt) + 0.783*ln(GGT) + 3.467*ln(Age) - 0.014*Chol
Accuracy Bounds & Limits:
While mathematical calculators evaluate demographic models, extreme variance (hyperthyroidism, dialysis cases, muscular bodybuilders, pregnancy) can trigger output errors. Weight and clearance assessments must follow separate personalized titration grids.