Table 5.

Multivariate logistic regression analysis of factors predicting rapid erosion progression (ΔM24–M0 erosion mSharp score >5)

Variable	OR (95 % CI)	P value
Age (per year increase)	1.06 (0.99–1.07)	0.076
ACPA positivity (versus negativity	3.95 (1.26–12.44)	0.019
logCRP (per log-unit)	2.01 (0.83–4.87)	0.121
logOPG/TRAIL ratio (per category increase)	1.90 (1.03–3.52)	0.041

M month, mSharp score van der Heijde-modified Sharp score, OR odds ratio, 95 % CI 95 % confidence interval, ACPA anti-citrullinated protein antibodies, OPG osteoprotegerin, TRAIL tumor necrosis factor-related apoptosis-inducing ligand

Significant values are in bold