A1C, duration of diabetes, and blood pressure in patients with and without retinopathy.
| Any retinopathy . | No retinopathy . | Retinopathy present (ETDRS score ≥20) . | P value* . |
|---|---|---|---|
| n | 960 | 645 | |
| A1C (%) | 7.2 ± 1.4 | 7.6 ± 1.6 | <0.001 |
| Duration of diabetes (years) | 6.5 ± 5.7 | 8.6 ± 6.4 | <0.001 |
| Systolic blood pressure (mmHg) | 135 ± 20 | 138 ± 21 | <0.01 |
| Diastolic blood pressure (mmHg) | 77 ± 11 | 77 ± 11 | NS |
| Any retinopathy . | No retinopathy . | Retinopathy present (ETDRS score ≥20) . | P value* . |
|---|---|---|---|
| n | 960 | 645 | |
| A1C (%) | 7.2 ± 1.4 | 7.6 ± 1.6 | <0.001 |
| Duration of diabetes (years) | 6.5 ± 5.7 | 8.6 ± 6.4 | <0.001 |
| Systolic blood pressure (mmHg) | 135 ± 20 | 138 ± 21 | <0.01 |
| Diastolic blood pressure (mmHg) | 77 ± 11 | 77 ± 11 | NS |
| Severe retinopathy . | No or mild/moderate retinopathy . | Severe retinopathy present (ETDRS score ≥50) . | P value* . |
|---|---|---|---|
| n | 1,570 | 35 | |
| A1C (%) | 7.4 ± 1.5 | 7.8 ± 1.9 | 0.06 |
| Duration of diabetes (years) | 7.3 ± 6.1 | 8.7 ± 6.4 | 0.2 |
| Systolic blood pressure (mmHg) | 136 ± 21 | 144 ± 22 | <0.05 |
| Diastolic blood pressure (mmHg) | 77 ± 10 | 81 ± 13 | 0.01 |
| Severe retinopathy . | No or mild/moderate retinopathy . | Severe retinopathy present (ETDRS score ≥50) . | P value* . |
|---|---|---|---|
| n | 1,570 | 35 | |
| A1C (%) | 7.4 ± 1.5 | 7.8 ± 1.9 | 0.06 |
| Duration of diabetes (years) | 7.3 ± 6.1 | 8.7 ± 6.4 | 0.2 |
| Systolic blood pressure (mmHg) | 136 ± 21 | 144 ± 22 | <0.05 |
| Diastolic blood pressure (mmHg) | 77 ± 10 | 81 ± 13 | 0.01 |
Data are means ± SD.
Adjusted for age and sex.