Table 4.

Receiver operating characteristic curve analysis for differentiating patients with Parkinson’s disease from controls

Covariates	AUC (95% CI)	P value
Basic model, age and sex	0.612 (0.498–0.726)	0.062
Model 1, basic model and α-synuclein	0.692 (0.585–0.799)	0.001**
Model 2, basic model and NfL	0.681 (0.571–0.790)	0.003**
Model 3, basic model and VDdM_parafovea and VDrID	0.681 (0.570–0.791)	0.003**
Full model, basic model and α-synuclein, NfL, VDdM_parafovea and VDrlD	0.752 (0.651–0.852)	< 0.001**

AUC, area under the curve; CI, confidence interval; NfL, neurofilament light chain

^*Statistically significant, P < 0.05; **P < 0.01