Average macular thicknesses in the study groups
| Group | Central macular thickness (μm) Mean (SD) | Range (μm) | p Value |
|---|---|---|---|
| Normal eyes (n=40) | 182 (16) | 164–221 | |
| Eyes with diabetic retinopathy (n=60) | |||
| CSMO detection by slit lamp biomicroscopy | |||
| non-CSMO (n=24) | 283 (116) | 156–423 | 0.019 |
| CSMO (n=36) | 564 (168) | 278–906 | <0.001 |
| Leakage grading using fluorescein angiography | |||
| None (n=10) | 187 (76) | 156–328 | 0.597 |
| Questionable leakage (n=11) | 191 (151) | 146–388 | 0.678 |
| Focal leakage (n=18) | 320 (146) | 181–562 | 0.069 |
| Diffuse leakage (n=21) | 552 (166) | 324–906 | 0.022 |









