Table 3. Synovial fluid IL-17 levels in relation to radiographic characteristics.

Radiographic characteristics	n	Synovial fluid IL-17	n	Synovial fluid IL-17	p-value*
		Yes		No
K&L grade 3–4 (%)	13	11 (84.6)	132	121 (91.7)	0.329
MinJSW, mm, median, IQR	13	0.2 (0; 0.9)	132	1.0 (0; 2.0)	0.042
Osteophytes present (%)	13	8 (61.5)	132	125 (94.7)	0.001
Sclerosis present (%)	13	6 (46.2)	132	110 (83.3)	0.005

*p-values obtained with use of Fisher’s exact test for categorical variables and independent samples median test for continuous variables