Table 5. Correlations analysis of carotid intima-media thickness with age, disease duration, and severity of disease in patients with Parkinson’s disease.

Relevant factors	IMT (cm)
	R	P
Disease duration	0.351	0.003**
Age	0.276	0.023*
H&Y	0.339	0.005**

Compared with the control group, *, P<0.05; **, P<0.01.