Table 2. Comparison of biochemical parameters between patients with diabetes mellitus initially (month = 0) and after 6 months of antidiabetic treatment.

Biochemical parameter	Diabetics, month 0 (N = 30)	Diabetics, month 6 (N = 30)	P-value
Fasting blood glucose (mmol/L)	8.2 ± 4.2	7.2 ± 2.0	0.017
Serum fructosamine (µmol/L)	443 ± 113	367 ± 218	0.113
Hemoglobin A1c (mmol/mol)	71 ± 21	67 ± 23	0.306
Glycated nail protein (µmol/g nail)	6.5 ± 4.9	3.8 ± 2.5	0.008