Demographics of patients at baseline
| Mean age, years (SD) | 63.5 (12.3) |
| Male, n (%) | 33 (69) |
| Mean HbA1c, % (SD) | 7.7 (1.5) |
| Mean systolic blood pressure, mm Hg (SD) | 136 (15) |
| Mean diastolic blood pressure, mm Hg (SD) | 76 (9) |
| Mean arterial blood pressure, mm Hg (SD) | 96 (10) |
| Mean perifoveal capillary drop-out grading (SD) | 1.5 (1.1) |