ALB and chronic kidney disease: Patients with pre-ESRD CKD are assessed for hemoglobin, blood urea nitrogen (BUN), serum creatinine levels, albumin levels, serum calcium levels, serum phosphate levels, fasting glucose levels, HbA1c levels, LDL-C levels, uric acid levels, sodium levels, potassium levels, triglyceride levels and UPCR.