Clinimetrics	BASFI		ASDAS
	Functional impact		Disease activity
Score	High	Low	High	Low
	(N=15)	(<4; N=14)	(N=19)	(<1.3; N=10)
Number F PET/CT positive sites	3.5±2.9	1.9±1,6	3.4±2.9	1,2±1,0
P (Student's t test)	p<0,05		p<0,03