Significantly lower hemoglobin (Hb) and hematocrit (Hct) levels, as well as higher BUN (28.9 ± 24.5 vs. 15.5 ± 10.0; P < 0.001) and Cr (2.1 ± 2.2 vs. 1.1 ± 1.8; P < 0.001) of the blood was found in patients with AKI than patients without AKI. Here, GSTM1 is linked to acute kidney injury.