Table 4. Correlation between VPAC1 expression and global disease assessment.

	ESR		CRP		VPAC1
	β Coeff.	p-value	β Coeff.	p-value	β Coeff.	p-value
GDAPa	0.182	0<0.001	0.331	<0.001	-0.219	0.002
GDAPh	0.268	<0.001	0.468	<0.001	-0.305	<0.001

Spearman’s correlation test performed with quantitative variables GDAPa: global disease activity assessed by patient; GDAPh: global disease activity assessed by physician. β Coeff.: β coefficient of Spearman’s test. Statistical significance was set at p˂0.05.