Table 1 Demographic data of the studied groups
| Â | Group 1 (healthy control) (n=15) | Group 2 (diabetic patients without retinopathy) (n=15) | Group 3 (diabetic patients with retinopathy) (n=15) | |||
|---|---|---|---|---|---|---|
Age: (year) Mean ± SD | 54.33± 5.49 | 54.53 ± 5.97 | 55.33± 5.19 | |||
| Â | No | % | No | % | No | % |
Sex | ||||||
 Male | 6 | 40.0% | 7 | 46.7% | 4 | 26.7% |
 Female | 9 | 60.0% | 8 | 53.3% | 11 | 73.3% |