The neutrophil protein S100A12 is associated with a comprehensive ultrasonographic synovitis score in a longitudinal study of patients with rheumatoid arthritis treated with adalimumab

Table 2 Spearman rank correlation coefficients between S100A12 and inflammatory markers/clinical evaluations of disease activity

	Baseline	1 month	3 months	6 months	12 months
ESR	0.50*	0.29	0.25	0.38	0.62**
CRP	0.61**	0.40	0.50*	0.66**	0.59**
Calprotectin	0.56*	0.34	0.12	0.52*	0.57**
Assessor’s global VAS	0.85***	0.58**	0.12	0.52*	0.46*
Swollen joints (of 40)	0.41	0.45*	0.33	0.31	0.48*
DAS28	0.39	0.21	0.23	0.34	0.51*

ESR = erythrocyte sedimentation rate, CRP = C-reactive protein, VAS = visual analogue scale, DAS28 = disease activity score of 28 joints, *p < 0.05, **p < 0.01, ***p < 0.001.

ISSN: 1471-2474