Table 1.

Clinical and Demographic Characteristics of 60 Subjects in the Two Different Classes of Incident Diabetic Retinopathy (DR) Used for Analysis.

Characteristic	Control group (without DR)	DR group (with DR)	P value
No. of subjects (N)	30	30	—
Age (y)	41.8 (14.7)	21.2 (9.4)	.001
Sex, % female	50	60	.604
Race, % non-Hispanic white/other	93.3	83.3	.195
HbA1C (%)	7.0 (0.9)	8.6 (1.0)	.001
BMI (kg/m2)	26.2 (3.6)	24.5 (4.8)	.234
Diabetes duration (y)	21.6 (9.9)	11.7 (4.5)	.001

Statistics are presented as N, mean (SD), or (%).

Abbreviations: BMI, body mass index; HbA_1c, glycated hemoglobin.