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Table 4 Spearman correlations between biomarkers and potential cardiovascular risk factors.

From: Biomarkers of oxidant stress, insulin sensitivity and endothelial activation in rheumatoid arthritis: a cross-sectional study of their association with accelerated atherosclerosis

  cardiovascular risk factor
biomarker age BMI LDL IMT SBP smoking
controls:       
8-IP 0.090 0.272 0.039 0.131 0.161 0.416**
selenium 0.299* -0.305* 0.227 -0.031 -0.240 -0.281
CRP 0.059 0.427** 0.238 0.205 0.255 0.043
IL-6 0.091 0.421** 0.018 0.201 0.248 0.214
insulin 0.009 0.408** 0.148 0.125 -0.030 0.014
adiponectin 0.142 -0.256 0.015 0.065 0.132 0.281
VCAM 0.413** 0.062 0.327* 0.339* 0.191 0.232
E-selectin 0.212 0.111 0.434** 0.257 0.252 0.188
RA patients:       
8-IP 0.321* 0.198 0.271 0.170 0.088 0.308*
selenium 0.160 0.100 0.189 0.073 0.191 0.117
CRP 0.221 0.160 0.019 0.184 0.215 0.257
IL-6 -0.185 -0.251 -0.234 -0.342* -0.242 0.049
insulin 0.245 0.594** 0.119 0.254 0.369* 0.117
adiponectin 0.265 -0.331* -0.049 0.067 0.127 -0.031
VCAM 0.102 0.297* 0.214 0.369* 0.188 0.019
E-selectin 0.015 0.389** 0.388** 0.198 0.135 0.372*
  1. Results are expressed as r values. * p < 0.05; ** p < 0.01.