Table 1.
Characteristics of subjects in control and study groups.
| Characteristics | Control (n = 50) |
Group I (n = 25) |
Group II (n = 25) |
p-Value |
|---|---|---|---|---|
| Age (years) | 50.7 ± 6.1 | 50.8 ± 4.3 | 53.1 ± 4.7 | 0.177 |
| Duration of diabetes (years) | 6.2 ± 2.5 | 8.4 ± 2.3 | 0.002 | |
| HbA1c (%) | 5.4 ± 0.3 | 8.4 ± 1.2 | 9.9 ± 1.6 | 0.001 |
| PSV of ophthalmic artery (cm/s) | 31.9 ± 2.6 | 32.7 ± 3.0 | 33.8 ± 3.8 | 0.550 |
| EDV of ophthalmic artery (cm/s) | 8.7 ± 0.9 | 8.8 ± 1.6 | 8.3 ± 1.3 | 0.240 |
| RI of ophthalmic artery | 0.72 ± 0.02 | 0.73 ± 0.03 | 0.75 ± 0.03 | <0.001 |
| PSV of central retinal artery (cm/s) | 16.1 ± 1.9 | 15.8 ± 3.1 | 14.2 ± 2.7 | 0.010 |
| EDV of central retinal artery (cm/s) | 5.1 ± 0.7 | 4.8 ± 1.1 | 3.9 ± 1.0 | <0.001 |
| RI of central retinal artery | 0.68 ± 0.03 | 0.69 ± 0.03 | 0.72 ± 0.04 | <0.001 |
| PSV short posterior ciliary arteries (cm/s) | 19.1 ± 2.5 | 18.0 ± 4.2 | 16.7 ± 4.9 | 0.030 |
| EDV short posterior ciliary arteries (cm/s) | 5.9 ± 0.7 | 5.1 ± 1.3 | 4.3 ± 1.0 | <0.001 |
| RI short posterior ciliary arteries | 0.69 ± 0.03 | 0.71 ± 0.03 | 0.73 ± 0.5 | <0.001 |
Group I—diabetic patients without retinopathy; Group II—diabetic patients with retinopathy. PSV—peak systolic velocity; EDV—end-diastolic velocity; RI—resistive index.