KDIGO AKI Risk factor calculator Age: <65 years ≥65 years eGFR, mL/min per 1.73m²: <30 mL/min per 1.73m² 30-44 mL/min per 1.73m² 45-59 mL/min per 1.73m² 60-89 mL/min per 1.73m² 90-104 mL/min per 1.73m² ≥105 mL/min per 1.73m² ACR (in mg/g): <10 (mg/g) 10-29 (mg/g) 30-299 (mg/g) ≥300 (mg/g)