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GFR screening results for all patients stratified by age group. GFR was estimated using the revised Schwartz Equation (0.413×height [centimeters]/serum creatinine). An eGFR<90 ml/min per 1.73 m2 was considered abnormal. Glomerular hyperfiltration was defined as an eGFR≥150 ml/min per 1.73 m2. SCr, serum creatinine.
