Table 3. The areas under the ROC curve for results.
| Parameters | PD vs. Ctr | ||
|---|---|---|---|
| AUC | 95% CI | P | |
| VLD central | 0.712 | 0.589–0.835 | 0.002 |
| VLD inner | 0.728 | 0.607–0.849 | 0.001 |
| VLD full | 0.650 | 0.518–0.783 | 0.031 |
| VPD central | 0.711 | 0.587–0.834 | 0.002 |
| VPD inner | 0.756 | 0.638–0.873 | <0.001 |
| VPD outer | 0.618 | 0.487–0.750 | 0.089 |
| VPD full | 0.682 | 0.557–0.808 | 0.009 |
| FAZ circularity | 0.636 | 0.506–0.766 | 0.050 |
| RNFL temporal | 0.718 | 0.597–0.838 | 0.002 |
| TMV | 0.693 | 0.568–0.818 | 0.006 |
| MRT | 0.699 | 0.576–0.823 | 0.004 |
| GCL-IPL | 0.625 | 0.493–0.757 | 0.072 |
PD, Parkinson’s disease; Ctr, control; AUC, area under the ROC curve; ROC, receiver-operating characteristic; VLD, vessel length density; VPD, vessel perfusion density; FAZ, foveal avascular zone; RNFL, retinal nerve fiber layer; TMV, total macular volume; MRT, macular retinal thickness; GCL-IPL, ganglion cell-inner plexiform layer complex.