Table 6. Spearman's rank correlation coefficient (r_s) and P values between Hcy and clinical variables, and between CRP and clinical variables.

Variable	Hcy (PD)		CRP (PD)		Hcy (VP)		CRP (VP)
	r	p	r	p	r	P	r	P
Hcy	1		0.912	0.000***	1		0.686	0.007**
CRP	0.912	0.000***	1		0.686	0.007**	1
Daily L-dopa dosage	0.814	0.000***	0.693	0.006**	0.854	0.000***	0.698	0.005**
H&Y	0.759	0.002**	0.852	0.000***	0.637	0.014*	0.453	0.104
Disease duration	0.460	0.098	0.447	0.109	0.531	0.051	0.616	0.019*
MMSE	−0.431	0.124	−0.387	0.171	−0.298	0.301	−0.313	0.276

* P<0.05,

** P<0.01,

*** P<0.001.

Abbreviations: r_s, Spearman's rank correlation coefficient; H&Y, the modified Hoehn and Yahr staging scale; MMSE, mini-mental state examination.