Table 2.

Laboratory and calculated data

Variable	Group I	Group II	Group III	Group VI	P
HbA1C	5.10 ± 1.24	6.40 ± 2.42	7.86 ± 2.85	8.60 ± 3.17	0.006*
Albumin/creatinine ratio	1.53 ± 0.87	2.36 ± 0.95	21.69 ± 5.36	45.35 ± 13.25	0.001*
Serum creatinine mg/dl	0.75 ± 0.11	0.86 ± 0.13	1.60 ± 0.23	2.08 ± 0.63	0.008*
Serum urea mg/dl	32.14 ± 2.24	37.85 ± 5.64	55.96 ± 9.31	66.24 ± 10.24	0.002*
Estimated GFR ml/min	110 ± 25.36	93 ± 19.52	70 ± 15.49	56 ± 12.69	0.001*
Serum cholesterol mg/dl	180.6 ± 32.25	201.6 ± 29.60	214.9 ± 25.43	231.5 ± 29.6	0.020*
Urinary NAG ng/ml	0.93 ± 0.15	1.15 ± 0.25	1.33 ± 0.36	1.59 ± 0.42	0.001*

* = significant.