Fig. 3. Meta-analysis of the A) studies and B) randomized controlled trials that compared the incidence of postoperative atrial fibrillation in statin-treated patients versus patients who received no statin treatment. Squares indicate point estimates of treatment effect (odds ratio), the size of the squares represents the weight attributed to each study, and horizontal bars indicate the 95% confidence interval (CI). The diamond represents the summary OR from the pooled studies with 95% CI.

P < 0.05 was considered statsitically significant.

AF = atrial fibrillation; OR = odds ratio