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Time course of the levels of eGFR (A), serum creatinine (B), and CK (C) by baseline eGFR category. Baseline eGFR categories are as follows: G1, eGFR ≥90 mL/min/1.73 m2; G2, eGFR ≥60 and <90 mL/min/1.73 m2; G3a–G3b, eGFR ≥30 and <60 mL/min/1.73 m2; and G4–G5, eGFR <30 mL/min/1.73 m2. Data are presented as means ± SD. eGFR, estimated glomerular filtration rate; CK, creatine kinase; SD, standard deviation.
