ALB and diabetes mellitus: Negative correlation was also seen with serum C peptide vs urine albumin level (r = -0.059, P>0.05), vs. urine albumin creatinine ratio (r = -0.015, P>0.05), vs. HbA1C (r = -0.207, P>0.05) and vs. duration of diabetes (r = -0.171, P>0.05) [Table 2].