Table 2 Quantitative analysis according to diabetic retinopathy stages.
DM with no DR (n = 18) | Mild NPDR (n = 32) | Moderate NPDR (n = 10) | Severe NPDR (n = 16) | PDR (n = 30) | DR eyes (%) (n = 106) | Control eyes (%) (n = 40) | |
|---|---|---|---|---|---|---|---|
Choroidal hyperpermeability | 9 | 17 | 6 | 10 | 19 | 61 (57.5) | 4 (10) |
Hypofluorescent spots | 7 | 14 | 5 | 8 | 17 | 51 (48.1) | 3 (7.5) |
“Salt and pepper” pattern | 0 | 6 | 4 | 2 | 9 | 21 (19.8) | 0 |
Inverted inflow phenomenon | 0 | 0 | 0 | 0 | 4 | 4 (3.8) | 0 |
Late choroidal non-perfusion | 0 | 0 | 2 | 1 | 4 | 7 (6.6) | 0 |
Choroidal arterial tortuosity | 1 | 1 | 3 | 6 | 15 | 26 (24.5) | 0 |