Univariate and multivariate ORs with 95% CIs of association between C3 and C3a levels and stroke.

<p>OR – odds ratio; CI – confidence intervals; SVD – small vessel disease, CE – cardioembolic.</p><p>Model 1: adjusted for age, sex, hypertension, smoking, diabetes and hyperlipidemia;</p>*<p><i>P<</i>0.05;</p>**<p><i>P</i><0.01;</p>***<p><i>P</i><0.001.