Table 2. Adjusted Hazard Ratios of Outcomes According to Type of Surgery.
| Category | Patients, No. | Hazard Ratio (95% CI) | ||
|---|---|---|---|---|
| Thromboembolism | Recurrent Atrial Fibrillation | Death | ||
| Matched patients with NVAF | 2025 | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| POAF after left-sided valve surgery | 675 | 1.22 (0.88-1.68) | 0.62 (0.56-0.70) | 0.53 (0.43-0.65) |
| Matched patients with NVAF | 1497 | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| POAF after aortic valve replacement | 499 | 1.14 (0.77-1.69) | 0.52 (0.46-0.60) | 0.54 (0.44-0.68) |
| Matched patients with NVAF | 528 | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| POAF after mitral valve surgery with or without aortic valve replacement | 176 | 1.46 (0.77-2.77) | 0.85 (0.69-1.05) | 0.47 (0.27-0.80) |
Abbreviations: NVAF, nonvalvular atrial fibrillation; POAF, postoperative atrial fibrillation.