Table 1 of Petrovič,
Mol Vis 2008; 14:1382-1387.
Table 1. Characteristics of patients with proliferative diabetic retinopathy (PDR; cases) and patients without diabetic retinopathy (controls).
| Characteristics | PDR n (%) |
Controls n (%) |
p value |
|---|---|---|---|
| Number | 206 | 143 | |
| Age (years) | 65.0 ± 9.9 | 66.9 ± 11.5 | 0.2 |
| Male sex (%) | 95 (46.1) | 57 (39.9) | 0.2 |
| Duration of diabetes (years) | 19.2 ± 8.7 | 16.5 ± 6.6 | 0.009 |
| Patients on insulin therapy (%) | 154 (74.8) | 66 (46.1) | <0.001 |
| Age of diabetes onset | 45.2 ± 12.1 | 53.3 ± 12.1 | <0.001 |
| HbA1c (%) | 8.1 ± 1.6 | 8.2 ± 1.6 | 0.3 |
| Systolic blood pressure (mmHg) | 144 ± 24 | 145 ± 20 | 0.7 |
| Diastolic blood pressure (mmHg) | 85 ± 12 | 84 ± 9 | 0.4 |
| Body mass index (kg/m2) | 28.1 ± 4.4 | 27.7 ± 4.4 | 0.9 |
| History of hypertension (%) | 159 (77.2) | 100 (70) | 0.1 |
| Smokers (%) | 25 (12.1) | 15 (10.5) | 0.9 |
| Total cholesterol (mmol/l) | 5.4 ± 1.2 | 5.5 ± 1.2 | 0.1 |
| HDL cholesterol (mmol/l) | 1.1 ± 0.4 | 1.2 ± 0.4 | 0.1 |
| LDL cholesterol (mmol/l) | 3.1 ± 1.0 | 3.2 ± 0.9 | 0.2 |
| Triglycerides (mmol/l) | 2.2 ± 1.3 | 2.6 ± 1.9 | 0.1 |