Table 1.
2001 DM: n = 472 DR: n = 332 Rx: 202 |
2011 DM: n = 240 DR: n = 118 Rx: 86 |
Difference in percentage between both groups | Comparison of 2 proportions (chi square test) | |
---|---|---|---|---|
Any DR | 332 (70.34%) | 118 (49.17%) | 21.17% | 0.0001∗ |
No DR | 140 (29.68%) | 122 (50.83%) | 21.17% | 0.008∗ |
| ||||
NPDR | 192 (58%) | 87% (73.7%) | 15.7% | 0.017∗ |
PDR | 140 (42%) | 31 (26.3%) | 15.7% | 0.15 |
| ||||
≥20/60 | 237 (71.4%) | 60 (51%) | 20.4% | 0.0043∗ |
20/400–<20/60 | 74 (22.2%) | 46 (39%) | 16.08% | 0.076 |
<20/400 | 21 (6.33%) | 12 (10%) | 3.67% | 0.75 |
| ||||
Laser (& VEGF) | 167 (82.7%) | 77 (89.5%) | 6.8% | 0.23 |
Vitreous surgery | 35 (17.3%) | 9 (10.5%) | 6.8% | 0.9 |
| ||||
Hypertension | 97 (20.5%) | 126 (52.5%) | 32% | <0.001∗ |
Cardiac | 17 (3.6%) | 18 (7.5%) | 3.9% | 0.815 |
∗Statistically significant; DM: diabetes mellitus; DR: diabetic retinopathy; Rx: treatment; VEGF: vascular endothelial growth factor.