Table 5.

Correlation of AQDR with demographic features of LI-PD patients

	Univariate analysis			Multivariate analysis
	B (95% CI)	F (df)	P-value	B (95% CI)	F (df)	P-value
Age at onset, years	0.036 (0.002, 0.069)	5.463 (1, 15)	0.037*	0.036 (0.002-0.069)	5.463 (1, 15)	0.037*
Motor function deterioration rate	0.167 (0.056, 0.278)	10.973 (1, 15)	0.006*
Education, years	−0.015 (−0.173, 0.144)	0.037 (1, 15)	0.846
Hoehn-Yahr stage	0.188 (−0.620, 0.997)	0.259 (1, 15)	0.625
MoCA total score	0.012 (−0.090, 0.115)	0.069 (1, 15)	0.797

LI-PD = language impairment Parkinson’s disease; CI = confidence interval; df = degree of freedom; *P < 0.05.