Patient Information
Results
📖 Understanding the Formulas
Cockcroft-Gault
Best for: Drug dosing in pharmacy practice. Most medication package inserts reference this formula.
Limitation: Less accurate in obesity, elderly, and extremes of muscle mass.
MDRD
Best for: Estimating GFR for CKD staging. Commonly used in clinical labs.
Limitation: Less accurate at higher GFR values (>60 mL/min).
CKD-EPI
Best for: Most accurate GFR estimation across all levels of kidney function. Preferred by KDIGO guidelines.
Limitation: Requires race information for original formula (2021 update removed race coefficient).