Severity of DR in known versus newly diagnosed DM
| Mild NPDR | Moderate NPDR | Severe NPDR | PDR | CSME | Any DR | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | n (%) | p Value | n (%) | p Value | n (%) | p Value | n (%) | p Value | n (%) | p Value | n (%) | p Value |
| Overall (n=1190) | 32 (2.7) | 54 (4.5) | 24 (2.0) | 12 (1.0) | 25 (2.1) | 122 (10.3) | ||||||
| Known (n=865) | 29 (3.4) | 0.021 | 49 (5.7) | 0.002 | 24 (2.8) | 0.002 | 11 (1.3) | 0.139 | 24 (2.8) | 0.008 | 113 (13.1) | <0.0001 |
| Newly diagnosed (n=325) | 3 (0.9) | 5 (1.5) | 0 (0.0) | 1 (0.3) | 1 (0.3) | 9 (2.8) | ||||||
DM, diabetes mellitus; CSME, clinically significant macular edema; NPDR, non-proliferative diabetic retinopathy.