CRP and atrial fibrillation: No significant differences were observed with respect to the demographic characteristics (mean age, sex, and smoking habits), comorbidities (hypertension, diabetes, stroke, atrial fibrillation, and the subtypes of ACS, namely unstable angina [UA], and acute myocardial infarction [AMI]), biochemical parameters (blood glucose, blood lipids, SCr, SUA, and CRP), as well as with respect to concurrent medications (P > .05 for all).