Table 3.
Multivariable Linear Regression Model of OCT Angiography Parameters Before and After Adjusting for Age and Signal Strength Index
| Parameter | Unadjusted (p-value) |
Adjusted (for age and SSI) | ||
|---|---|---|---|---|
| 1 month vs. Baseline (p-value) |
Final Visit vs Baseline (p-value) |
Final Visit vs 1 month (p-value) |
||
| CFT | 0.004 | 0.002 | 0.09 | 0.2 |
| VD | ||||
| SCP | 0.5 | 0.57 | 0.56 | 0.83 |
| MCP | 0.1 | 0.3 | 0.03 | 0.08 |
| DCP | 0.1 | 0.1 | 0.08 | 0.47 |
| Full | 0.3 | 0.4 | 0.3 | 0.06 |
| VLD | ||||
| SCP | 0.6 | 0.2 | 0.3 | 0.8 |
| AFI | ||||
| SCP | 0.02 | 0.01 | 0.006 | 0.01 |
| MCP | 0.02 | 0.005 | 0.006 | 0.38 |
| DCP | 0.002 | 0.0004 | 0.0003 | 0.08 |
| Full | 0.02 | 0.01 | 0.005 | 0.24 |
| PAN | ||||
| SCP | 0.098 | 0.057 | 0.03 | 0.39 |
| MCP | 0.02 | 0.01 | 0.002 | 0.19 |
| DCP | 0.04 | 0.03 | 0.002 | 0.04 |
| Full | 0.04 | 0.04 | 0.008 | 0.13 |
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