TABLE 2.

Decline in MoCA and its subdomains for controls and patients with PD

	Control			PD
Domain	Age at Baseline	Time from Baseline	Yearly Drop	Age at Baseline	Time from Baseline	Yearly Drop
Orientation	−0.92	−2.06	0.008	−3.58***	−4.77***	0.027
Executive/visuospatial	−3.62**	−2.28	0.030	−4.81***	−5.78***	0.063
Naming	−2.44*	−0.96	0.003	−2.76*	−1.37	0.005
Attention	−1.48	−1.35	0.014	−2.78*	−5.14***	0.046
Language	−1.49	−2.57*	0.020	−2.76*	−3.26**	0.022
Abstraction	01.42	−0.21	0.001	−1.76	−1.58	0.008
Delayed recall	−4.40***	−0.74	0.016	−6.95***	−0.87	0.015
Total	−5.06***	−2.99**	0.096	−6.97***	−4.70***	0.144

Reported results are the t statistics from the mixed effects model: Score ∼ 1 + Age at Baseline + Time from Baseline + (1|ID) as well as the estimated average yearly drop in each score for each group.

^* P < 0.01.

^** P < 0.001.

^*** P < 0.0001.

MoCA, Montreal Cognitive Assessment Score; PD, Parkinson's disease.