Extra-Articular Symptoms in Constellation with Selected Serum Cytokines and Disease Activity in Spondyloarthritis

Table 4

A logistic regression model of the OR of selected markers of disease activity in spondyloarthritis groups of patients with different extra-articular symptoms compared to controls.

Covariates	AAU		IBD		Psoriasis		Psoriatic onycholysis		PPP
	OR (95% CI)		OR (95% CI)		OR (95% CI)		OR (95% CI)		OR (95% CI)
Disease duration; ≥ 5 years	4.05; (1.62–10.12)	0.002	3.7; (0.72–18.84)	0.11	0.58; (0.26–1.25)	0.16	0.29; (0.15–0.59)	0.0004	0.22; (0.09–0.53)	0.0007
VAS ≥ 40 mm	2.28; (0.91–5.7)	0.07	2.22; (0.43–11.30)	0.33	0.31; (0.14–0.68)	0.003	0.67; (0.33–1.36)	0.2	1.22; (0.49–3.08)	0.65
BASDAI ≥ 4	3.56; (1.46–8.66)	0.005	3.10; (0.57–16.86)	0.18	0.24; (0.10–0.61)	0.002	0.33; (0.16–0.67)	0.002	0.61; (0.25–1.47)	0.27
CRP ≥ 10 mg/L	2.90; (1.26–6.67)	0.01	4.03; (0.93–17.51)	0.06	0.52; (0.21–1.29)	0.16	0.59; (0.28–1.24)	0.16	1.05; (0.44–2.49)	0.9

AAU: acute anterior uveitis, BASDAI: Bath Ankylosing Spondylitis Disease Activity Index, CRP: C-reactive protein, IBD: inflammatory bowel disease, OR: odds ratio, PPP: palmoplantar pustulosis, and VAS pain: visual analogue scale of patient’s pain.