Table 2 Multivariate analysis for influences on PWV (linear variance, random effects, GLS, accounting for clustering within individuals)

	Coefficient			p Value (95% CI)
	Estimate	Standard error	z	p Value (95% CI)
Duration of infliximab	−0.03	0.01	−3.51	<0.001 (−0.05 to −0.01)
DAS28	−0.02	0.14	−0.13	0.897 (−0.30 to 0.26)
Heart rate	0.06	0.02	2.92	0.003 (0.02 to 0.10)
Systolic BP	0.02	0.01	1.30	0.195 (−0.01 to 0.04)
Triglycerides	0.48	0.40	1.22	0.221 (−0.29 to 1.27)
Constant	2.42	2.24	1.08	0.282 (−1.98 to 6.81)
σu	1.26
σe	0.99
Rho	0.62

Number of observations = 59, number of groups = 26, R² overall 0.4129.
BP, blood pressure; DAS, disease activity score.