| Study characteristics | 
| Methods | Randomized, controlled | 
| Participants | Elective CABG only | 
| Interventions | Amiodarone vs. Control | 
| Outcomes | AF | 
| Follow‐Up | Hospital discharge | 
| Concurrent Antiarrhythmic Medications | None | 
| Notes |  | 
| Risk of bias | 
| Bias | Authors' judgement | Support for judgement | 
| Random sequence generation (selection bias) | Unclear risk | Randomization methods not described | 
| Allocation concealment (selection bias) | Unclear risk | Concealment methods not described | 
| Blinding of participants and personnel (performance bias)
All outcomes | Unclear risk | Blinding not described | 
| Blinding of outcome assessment (detection bias)
All outcomes | Unclear risk | Blinding not described | 
| Incomplete outcome data (attrition bias)
All outcomes | Low risk |  | 
| Selective reporting (reporting bias) | Unclear risk | Protocol not available | 
| Intention‐to‐treat analysis | Unclear risk | Not reported |