Table 2 OCT features of Main DME compared to those of peripheral retinal edemas
From: Large-cube 30° × 25° optical coherence tomography in diabetic macular edema
Features | Main DME | Peripheral retinal edemas | P value (coefficient of association) |
|---|---|---|---|
Hard exudates, No (%) | κ = 0.92 | κ = 0.93 | < 0.001† (0.38) |
Absent | 45 (13.3%) | 17 (5.6%) | |
Present | 294 (86.7%) | 288 (94.4%) | |
Microaneurysms, No (%) | κ = 0.87 | κ = 0.86 | < 0.001† (0.24) |
Absent | 10 (2.9%) | 6 (2%) | |
Present | 329 (97.1%) | 299 (98%) | |
Cyst Size, No (%) | κ = 0.88 | κ = 0.89 | 0.027† (0.18) |
Absent | 5 (1.5%) | 0 | |
Small | 94(27.7%) | 225 (73.8%) | |
Small + Intermediate | 117(34.5%) | 69 (22.6%) | |
Small + Intermediate + Large | 123(36.3%) | 11 (3.6%) | |
Cyst location, No (%) | κ = 0.89 | κ = 0.90 | 0.42† (0.19) |
Absent | 5 (1.5%) | 0 | |
Outer retina | 109 (32.1%) | 232 (76.1%) | |
Outer + intermediate retina | 136 (40.1%) | 70 (23%) | |
Outer + intermediate + inner retina | 66 (19.5 | 2 (0.6%) | |
Intermediate retina | 17 (5.0%) | 1 (0.3%) | |
Intermediate + inner retina | 6 (1.8%) | 0 | |
Location of peak, No (%) | κ = 0.92 | κ = 0.93 | |
Central | 30 (8.8%) | ||
Inferior Inner | 32 (9.4%) | ||
Nasal Inner | 42 (12.4%) | ||
Superior Inner | 41 (12.1%) | ||
Temporal Inner | 76 (22.4%) | ||
Inferior Outer | 18 (5.3%) | 60 (19.6%) | 0.397† (0.17) |
Nasal Outer | 13 (3.8%) | 28 (9.2%) | |
Superior Outer | 28 (8.3%) | 82 (27.2%) | |
Temporal Outer | 59 (17.4%) | 135 (44%) | |
Highest retinal thickness (µm), Mean ± SD | ICC = 0.95 409.35 ± 91.27 | ICC = 0.94 321.71 µm ± 71.84 | < 0.001 (0.42)‡ |