ALB and Paroxysmal atrial fibrillation: Compared with our study, the study design method of this study was similar, but our study had a larger sample size; we further analyzed the relationship between serum ALB and gender in patients with paroxysmal AF; meanwhile, we also adjusted for more confounders in the multivariable regression models and analyzed the correlation between serum ALB and blood lipids profiles in patients with paroxysmal AF.