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Association between the presence of hypertension and retinopathy in the 673 patients who had their blood pressure measured and gradable retinal photographs.
| Diabetic retinopathy | Blood pressure status | Total | |
|---|---|---|---|
| Normotensive | Hypertensive | ||
| Absent, n (%) | 282 | 283 (50.1) | 565 |
| Present, n (%) | 63 | 45 (41.6) | 108 |
| Total | 345 | 328 | 673 |
