Tissue marker	Clinical synovitis severity
	1 (mild)	2 (moderate)	3 (severe)
TSPO	1.50±0.08	2.19±0.19	3.06±0.12
CD68	2.17±0.3	2.42±0.21	2.96±0.05
CD163	1.61±0.03	2.19±0.1	2.81±0.04