PIK3C2A and rhabdomyolysis: Specifically, the mean initial CPK level for the “rhabdomyolysis without AKI” group was 26,866 (SD ± 2363) U/L, showing a significant difference from that in the “rhabdomyolysis with AKI” group, which had a mean of 13,074 (SD ± 2667) U/L (p < 0.001).