HBA1 and diabetes mellitus: We found that there were statistically significant differences in these demographic variables, such as age, BMI, the follow-up time, eGFR at first, CR at first, BUN, HGB, Alb, serum phosphorus, ACR, HbA1, eGFR at end point, and CR at end point, indicating that increased age and elevated body mass index were more common in CKD patients with diabetes when compared to those without diabetes.