Table 2.
Univariate Analysis of OCT Angiography Parameters Comparing Baseline to Follow-up Visits.
| Parameter | Baseline | 1 month | 3-6 months | Repeated measures ANOVA (p-value) |
Pairwise comparison | ||
|---|---|---|---|---|---|---|---|
| Baseline vs. 1 month |
1 month vs. Final visit |
Baseline vs. Final visit |
|||||
| CFT | 258.5 ± 35.7 | 277.3 ± 35.6 | 270.6 ± 31.5 | 0.03 | 0.03 | 0.02 | 0.07 |
| VD | |||||||
| SCP | 37.11 ± 4.41 | 38 ± 4.90 | 37.6 ± 3.24 | 0.60 | - | ||
| MCP | 43.98 ± 5.16 | 41.79 ± 7.19 | 39.08 ± 7.08 | 0.06 | - | ||
| DCP | 49.94 ± 7.55 | 45.06 ± 10.72 | 45.35 ± 9.79 | 0.28 | - | ||
| Full | 48.04 ± 3.53 | 47.99 ± 4.39 | 48.95 ± 2.84 | 0.5 | - | ||
| VLD | |||||||
| SCP | 18.56 ± 1.93 | 18.09 ± 1.89 | 18.02 ± 3.05 | 0.65 | - | ||
| AFI | |||||||
| SCP | 0.47 ± 0.01 | 0.48 ± 0.02 | 0.482 ± 0.02 | 0.03 | 0.102 | 0.12 | 0.02 |
| MCP | 0.45 ± 0.02 | 0.47 ± 0.03 | 0.472 ± 0.03 | 0.02 | 0.07 | 0.14 | 0.01 |
| DCP | 0.44 ± 0.03 | 0.46 ± 0.03 | 0.468 ± 0.03 | 0.004 | 0.03 | 0.11 | 0.006 |
| Full | 0.46 ± 0.02 | 0.47 ± 0.02 | 0.477 ± 0.02 | 0.03 | 0.096 | 0.17 | 0.02 |
| PAN | |||||||
| SCP | 33.18 ± 8.84 | 37.75 ± 7.11 | 39.25 ± 7.49 | 0.15 | - | ||
| MCP | 24.46 ± 6.18 | 29.36 ± 8.49 | 30.86 ± 7.7 | 0.06 | - | ||
| DCP | 25.16 ± 6.98 | 27.94 ± 8.06 | 30.25 ± 10.72 | 0.10 | |||
| Full | 22.46 ± 6.95 | 25.42 ± 4.38 | 26.93 ± 6.11 | 0.09 | - | ||
| SSI | 58.3 ± 8.65 | 60.2 ± 8.20 | 59.3 ± 8.77 | 0.64 | - | ||
CFT = Central Foveal Thickness, VD = Vessel Density, SCP = Superficial capillary plexus, MCP = Middle capillary plexus, DCP = Deep capillary plexus, Full = Full retinal thickness, VLD = Vessel Length Density, AFI = Adjusted Flow Index, PAN = Percentage Area of Nonperfusion, SSI = Signal strength index