CRP was analyzed both dichotomously (>3.0 vs ⩽3.0 mg/L) and continuously, using multivariable regression adjusted for potential confounders.<h4>Results</h4>Among 865 included patients (ICAD: 286; ECAD: 154; AF: 425), median CRP level was 3.4 mg/L (IQR: 2.0-6.1) and 446 patients had elevated CRP (>3.0 mg/L). This evidence concerns the gene CRP and atrial fibrillation.