fig2
Figure 2. Forest plot of the multivariate Cox analysis for the PAF group. Hazard ratio (HR) with 95% confidence interval (CI) and P values are shown for postoperative BMI grade and AF duration. The reference group was BMI < 24 kg/m2. PAF: Paroxysmal atrial fibrillation; BMI: body mass index; AF: atrial fibrillation.
