CRP and acute kidney injury: Patients with AKI showed higher C-reactive protein levels (median 28 mg/dl; IQR 16.8 to 61.2 versus 20 IQR 12 to 42.1; P < 0.01) and procalcitonin levels (median 2 ng/ml, IQR 0.8 to 10, versus 0.5 ng/ml, IQR 0.1 to 1.8; P < 0.01) and CK levels (median 170 U/L, IQR 74 to 417, versus 290 U/L, IQR 92.25 to 862; P < 0.01).