Table 4.
Results of meta-analysis PD vs. control.
| Variables | Overall Effect | Heterogeneity | |||
|---|---|---|---|---|---|
| Mean Difference (95% CI) | P -value | I2 Test, % | Q Test (P) | ||
| Optovue | SCP VD | ||||
| parafoveal | -0.71 (-2.81 to 1.37) | 0.50 | 77.56 | 0.008 | |
| Superior | -0.78 (-3.77 to 2.20) | 0.60 | 79.170 | 0.02 | |
| Inferior | -0.72 (-4.50 to 3.06) | 0.70 | 87.37 | 0.004 | |
| Foveal | 0.56 (-1.26 to 2.39) | 0.54 | 0.00 | 0.73 | |
| DCP VD | |||||
| Parafoveal | -0.61 (-1.78 to 0.56) | 0.30 | 0.00 | 0.75 | |
| Superior | -0.39 (-1.96 to 1.16) | 0.61 | 0.00 | 0.64 | |
| Inferior | -0.24 (-1.75 to 1.26) | 0.74 | 0.00 | 0.53 | |
| Foveal | 0.64 (-1.27 to 2.55) | 0.51 | 0.00 | 0.85 | |
| RPC VD | 0.61 (-0.04 to 1.27) | 0.06 | 0.00 | 0.74- | |
| Zeiss | SCP VD | ||||
| Parafoveal | -1.14 (-2.58 to 0.29) | 0.11 | 71.25 | 0.06 | |
| Perifoveal | -0.29 (-0.59 to 0.01) | 0.06 | 0.00 | 0.66 | |
| Foveal | -1.97 (-2.97 to -0.97) | 0.0001 | 0.00 | 0.46 | |
| Whole | -1.01 (-2.59 to 0.57) | 0.21 | 78.58 | 0.03 | |
| FAZ area | -0.02 (-0.07 to 0.03) | 0.49 | 88.35 | 0.002 | |
SCP superficial capillary plexus, DCP deep capillary plexus, RPC radial peripapillary capillaries, FAZ foveal avascular zone, VD vessel density, PFD perfusion density, CI confidence interval.
Boldface values indicate the significance of the 95% confidence limit.