Table 2.

Independent predictors of US-detected inflammatory findings: multivariate analysis

	p*	Odds ratio	95% CI
			Lower	Upper
Time (months) from symptom onset	0.061	0.928	0.857	1.004
ESR (mm/h)	0.005	1.033	1.001	1.067
ACPA (IU/mL)	0.045	1.003	1.002	1.006

Abbreviations: ESR erythrocyte sedimentation rate, ACPA anti-citrullinated peptide antibody

*Multivariate analysis: odds ratio with confidence intervals