ISI (Insomnia Severity Index) - Scientific Formula
Neurology & Psychiatry Equation
Standard Calibration Equation:
Score = Sum of 5 high-yield symptom severity ratings (0 to 4 each)
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.