CRP and atrial fibrillation: Group C (LVEF of <50%) had a significantly higher male proportion, AF incidence, nonsustained ventricular tachycardia (NSVT), pacemaker implantation (PMI) or implantable cardioverter defibrillator (ICD), serum C-reactive protein (CRP), serum creatinine, eGFR values, and LVDd and LVDs than groups A and B at baseline, as shown in Table 1.