Table 1.
Systemic characteristics of diabetic patients with proliferative diabetic retinopathy (PDR) and control subjects.
| Diabetic patients (n = 390) |
Controls (n = 390) |
P | |
|---|---|---|---|
| Cases vs. Controls | |||
| Age, years (mean) ± SD | 63.6±7.3 | 64.1±6.9 | 0.28 |
| Plasma glucose, mg/dL (mean) ± SD | 157.8±3.6 | 98.3±0.7 | <0.0001 |
| Systolic blood pressure, mm Hg (mean) ± SD | 139.9±1.0 | 133.7±0.9 | <0.0001 |
| Diastolic blood pressure, mm Hg (mean) ± SD | 81.3±0.5 | 78.3±0.5 | <0.0001 |
| G6PD deficiency, n (%) | 21 (5.4) | 33 (8.5) | 0.09 |
| Systemic hypertension, n (%) | 313 (80.3) | 150 (38.5) | <0.001 |
| Hypercholesterolemia, n (%) | 109 (27.9) | --- | --- |
| HbA1c (%) | 7.9±1.1 | --- | --- |