Table 1.

Ordinal Regression Analysis: Patient‐Rated Best‐fit Model

Parameter	Hypothesis Test			OR	95% Wald CI for OR
	Wald ${\mathit{\chi }}^2$	df	P Value		Lower	Upper
Age	10.713	1	0.001	1.016	1.006	1.025
Female vs. male	8.808	1	0.003	1.415	1.125	1.780
Dementia vs. no dementia	1.699	1	0.192	0.802	0.576	1.118
Premanifest vs. stage IV or V	1.834	1	0.176	0.601	0.287	1.256
Stage I vs. stage IV or V	0.675	1	0.411	0.779	0.429	1.414
Stage II vs. stage IV or V	0.811	1	0.368	0.790	0.472	1.320
Stage III vs. stage IV or V	2.500	1	0.114	0.697	0.446	1.090
Motor score	1.361	1	0.243	0.995	0.986	1.004
PR anxiety	47.743	1	0.000	1.119	1.084	1.155
PR depression	13.542	1	0.000	1.061	1.028	1.094

CI, confidence interval, OR, odds ratio; df, degrees of freedom; PR, patient‐rated.