Effect of the Administration of Alpha-Lipoic Acid on Contrast Sensitivity in Patients with Type 1 and Type 2 Diabetes

Table 1

Clinical characteristics of patients with T1DM, T2DM, and healthy control subjects.

	Age (years)	Duration of diabetes (years)	HbA1c (%)	Insulin therapy (%)	Oral hypoglycemic medications (%)	Without diabetic treatment (𝑁)	Oral ALA supplementation (𝑁)	Complications (𝑁)
T1DM patients; 𝑁=12	43±12	19±12	7.4±1.1	100	—	—	5	6 with NPDR
T2DM patients; 𝑁=48	59±10	7±8	7.2±4.8	19	77	4	28	7 NPDR; 4 ischemic heart disease; 10 hypertension; 4 cataract; 2 glaucoma; 2 pseudophakia
Healthy control subjects; 𝑁=20	33±8	—	—	—	—	—	14	—

T1DM: diabetes mellitus type 1; T2DM: diabetes mellitus type 2; 𝑁: the number of patients.