GPT and chronic kidney disease: Compared with the non-CKD group, the CKD group was more likely to be older; female; of higher BMI; have a lower education level (below middle school); have lower protein/fat intake, serum hemoglobin, hematocrit, HDL cholesterol, ALT, total protein, albumin, urine creatinine, uric acid, sodium, and PH levels; and have higher serum total cholesterol, triglycerides, fasting blood sugar (FBS), glycated hemoglobin (HbA1C), high-sensitivity C-reactive protein (hsCRP), blood urea nitrogen (BUN), calcium, and potassium levels (Supplementary Table S2).