GSTM1 and chronic kidney disease: Conversely, hemoglobin (Hb), lymphocyte count, alanine aminotransferase, aspartate aminotransferase, albumin, estimated glomerular filtration rate, high-density lipoprotein, and left ventricle ejection fraction were lower in the CKD group in comparison to the non-CKD group (all p < 0.05).