Decreased plasma levels of soluble CD18 link leukocyte infiltration with disease activity in spondyloarthritis

Table 3 Associations at time of inclusion between plasma soluble CD18 levels in all spondyloarthritis patients and clinical scores and test results after correction for age, disease duration, HLA-B27 status, and treatment.

		BASMI	Physician global	Thoracic chest expansion	CRP	SIJ activity	Spine activity
sCD18	r^a	-0.030	-0.42	0.12	-0.23	-0.27	-0.068
	P	0.015	0.001	0.34	0.069	0.032	0.59

Bold numbers indicate significant associations. ^aPartial correlation coefficients. BASMI, Bath Ankylosing Spondilitis Metrology Index; CRP, C-reactive protein; sCD18, soluble CD18; SIJ, sacroiliac joint.

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