AdjBW applies when actual weight exceeds ideal body weight by more than 20%.
The Cockcroft-Gault formula estimates creatinine clearance as a proxy for glomerular filtration rate (GFR), using age, sex, weight, and serum creatinine. It is widely used in clinical practice to guide drug dosing in patients with reduced renal function. Results should always be interpreted alongside the full clinical picture.
For clinical decision support only. Results are estimates based on population-derived equations and may not reflect true renal function in all patients. Always verify results against local formulary guidance and consult current renal dosing references before adjusting drug doses. Not a substitute for clinical judgement.