Table 5.

Univariate logistic regression of factors associated with carotid plaque in RA patients and controls

	controls			RA patients
variable	odds ratio	ROC	p value	odds ratio	ROC	p value
age	1.22 (1.04–1.42)	0.79	0.013	1.11 (1.01–1.22)	0.68	0.034
IMT	2.79 (1.32–5.91)	0.78	0.008	1.34 (0.77–2.36)	0.59	0.300
VCAM	1.02 (1.01–1.04)	0.77	0.007	1.00 (0.99–1.01)	0.62	0.375
SBP	1.05 (1.01–1.10)	0.76	0.014	1.04 (0.99–1.08)	0.61	0.063
smoking	1.09 (1.02–1.17)	0.74	0.010	1.05 (0.99–1.11)	0.61	0.109
IL-6	1.74 (0.88–3.43)	0.71	0.110	0.97 (0.91–1.04)	0.52	0.449
E-selectin	1.02 (1.00–1.04)	0.71	0.055	1.00 (0.99–1.01)	0.49	0.809
8-IP	3.83 (0.86–17.0)	0.69	0.077	1.01 (0.49–2.08)	0.48	0.972
LDL	1.76 (0.92–3.34)	0.67	0.086	1.34 (0.68–2.66)	0.56	0.394
adiponectin	1.27 (0.98–1.65)	0.66	0.066	1.08 (0.88–1.33)	0.62	0.436
insulin	1.17 (0.98–1.40)	0.63	0.088	1.00 (0.91–1.10)	0.50	0.980
selenium	0.98 (0.93–1.03)	0.61	0.365	0.98 (0.94–1.02)	0.58	0.296
BMI	1.05 (0.96–1.15)	0.58	0.319	0.95 (0.85–1.07)	0.54	0.431
CRP	1.07 (0.93–1.23)	0.56	0.358	1.00 (0.96–1.05)	0.53	0.884

Odds ratio (95% confidence interval), area under the receiver operating characteristic (ROC) curve and p value using a univariate logistic regression model with occurrence of carotid plaque (0 or 1) in subjects as the response.