Table 4.

Diabetes cohort summary.

Factor	Total (N = 117)
Diabetes diagnosis
Type 1	16 (13.7%)
Type 2	101 (86.3%)
Diabetes duration (years)*	10.5 [5.0, 14.0]
Hemoglobin A1c (%)*	7.0 [6.3, 7.8]
Insulin use	51 (43.6%)
Diabetic retinopathy stage
None	63 (53.8%)
Mild–moderate nonproliferative	29 (24.8%)
Proliferative	25 (21.4%)
Clinically significant macular edema	8 (6.8%)

Continuous variables are described as Median [Q1, Q3]. Categorical variables are described as frequency (percentage). *Data not available for all subjects. Missing values: hemoglobin A1c = 24, diabetes duration = 41.