Fig. 3
From: Long-term renal outcome in methylmalonic acidemia in adolescents and adults
The usual formulas for estimated GFR overestimated the renal function of MMA patients. a Measured GFR by clearance of iohexol, Estimated GFRs by Schwartz formula and by CKD-EPI (mL/min/1,73m2). b Schwartz formula overestimated mGFR with bias 16 ± 15 mL/min/1.73, 95%LOA [− 13 to 45], Bland–Altman method. c Difference between eGFR by CKD-EPI and mGFR according to CKD stages. d CKD-EPI overestimated mGFR with bias 37 ± 22 mL/min/1.73, 95%LOA [− 8 to 78], Bland–Altman method. e Difference between eGFR by Schwartz formula and mGFR according to CKD stages. CKD, chronic kidney disease; GFR, glomerular filtration rate; eGFR, estimated GFR; LOA, limit of agreement; mGFR, measured GFR