| Study characteristics |
| Methods |
Double‐blind, randomized, placebo‐controlled |
| Participants |
Elective off‐pump CABG only |
| Interventions |
Magnesium vs. placebo |
| Outcomes |
AF lasting for > 10 minutes or requiring treatment; Stroke; Mortality; CV Mortality; LOS |
| Follow‐Up |
Hospital discharge |
| Concurrent Antiarrhythmic Medications |
Beta‐blockers |
| Notes |
|
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Low risk |
"Computer‐generated list" |
| Allocation concealment (selection bias) |
Low risk |
"Computer‐generated list"; "Independent nurses dispensed either Mg or placebo in the operating room" |
| Blinding of participants and personnel (performance bias)
All outcomes |
Low risk |
Double‐blind |
| Blinding of outcome assessment (detection bias)
All outcomes |
Low risk |
Double‐blind |
| Incomplete outcome data (attrition bias)
All outcomes |
Low risk |
|
| Selective reporting (reporting bias) |
Low risk |
|
| Intention‐to‐treat analysis |
Low risk |
Yes |
