Ultrasonographic assessment reveals detailed distribution of synovial inflammation in Blau syndrome

Table 3 Correlation between total ultrasound scores and conventional activity measures

		Tender joint count /40	Swollen joint count /40	Patient’s VAS	Physician’s VAS	ESR	CRP	DAS28 -ESR	DAS28 -CRP	MMP-3
Intra-articular synovium	Total GS score	0.30	0.76*	0.36	0.51	0.21	0.11	0.53	0.55	0.19
Intra-articular synovium	Total PD score	0.35	0.69	0.18	0.40	0.20	0.25	0.63	0.61	0.45
Tenosynovium	Total GS score	0.00	0.68	0.42	0.47	0.13	0.21	0.67	0.57	0.45
Tenosynovium	Total PD score	0.55	0.72	0.40	0.51	0.23	0.17	0.66	0.59	0.30
Total	Total GS score	0.20	0.72	0.34	0.39	0.21	0.28	0.67	0.59	0.33
	Total PD score	0.37	0.68	0.35	0.51	0.27	0.12	0.66	0.53	0.25

Values are Spearman’s correlation coefficients (ρ). *P < 0.05; no other correlations were statistically significant when Bonferroni correction was applied. VAS, visual analogue scale; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; DAS28, disease activity score 28; MMP-3, matrix metalloproteinase-3; GS, gray-scale; PD, power Doppler.

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