Table 1.
Descriptive statistics: demographic data and optical coherence tomography baseline measures.
| Variables are based on number of subjects | ||
|---|---|---|
| Sex | N (%) | |
| Female | 25 (56.8%) | |
| Male | 19 (43.2%) | |
| Age (yrs), Mean (SD) | 62.64 (9.75) | |
| HbA1c (%), Mean (SD) | 8.34 (2.09) | |
| Variables are based on number of eyes | ||
| Baseline Measures | Left eye N=37 |
Right eye N=35 |
| Diffuse retinal thickening | ||
| 3-6mm | 15 (40.5%) | 17 (48.6%) |
| 1-3mm | 17 (45.9%) | 6 (17.1%) |
| ≤1mm | 3 (8.1%) | 1 (2.9%) |
| 0mm (ref.) | 2 (5.4%) | 11 (31.4%) |
| ONL cyst size | ||
| Giant | 1 (2.7%) | 2 (5.7%) |
| Large | 8 (21.6%) | 11 (31.4%) |
| Small | 4 (10.8%) | 7 (20.0%) |
| No (ref.) | 24 (64.9%) | 15 (42.9%) |
| IS-OS continuity | ||
| Completely disrupted | 2 (5.6%) | 2 (5.7%) |
| Partially continuous | 13 (36.1%) | 16 (45.7%) |
| Completely continuous | 21 (58.3%) | 17 (48.6%) |
| HRF foci-quantity & foci-location | ||
| Many (≥11) & all layers | 9 (24.3%) | 14 (40.0%) |
| Many (≥11) & OPL-ELM | 1 (2.7%) | 0 (0.0%) |
| Many (≥11) & ILM-INL | 1 (2.7%) | 3 (8.6%) |
| Few (2-10) & all layers | 8 (21.6%) | 5 (14.3%) |
| Few (2-10) & OPL-ELM | 2 (5.4%) | 2 (5.7%) |
| Few (2-10) & ILM-INL | 11 (29.7%) | 6 (17.1%) |
| Absent | 5 (13.5%) | 5 (14.3%) |
| Vitreomacular interface | ||
| VMT | 1 (2.8%) | 0 (0.0%) |
| VMA | 30 (83.3%) | 34 (90.1%) |
| PVD | 5 (13.9%) | 1 (2.9%) |
| ERM | ||
| Yes | 7 (18.9%) | 8 (22.9%) |
| No (ref.) | 30 (81.1%) | 27 (77.1%) |
| SRD | ||
| Yes | 5 (13.5%) | 11 (31.4%) |
| No | 32 (86.5%) | 24 (68.6%) |
| DR type | ||
| PDR | 13 (35.1%) | 11 (31.4%) |
| Severe NPDR | 22 (59.5%) | 21 (60.0%) |
| Moderate NPDR | 2 (5.4%) | 3 (8.6%) |
ELM, external limiting membrane; ERM, epiretinal membrane; ref, reference; HRF, hyperreflective foci; ILM, internal limiting membrane; IS-OS, inner segment-outer segment; NPDR, non- proliferative diabetic retinopathy; ONL, outer nuclear layer; OPL, outer plexiform layer; PDR, proliferative diabetic retinopathy; PVD, posterior vitreous detachment; SD, standard deviation; SRD, serous retinal detachment; VMA, vitreomacular adhesion; VMT, vitreomacular traction.