From: Meta-analysis of randomized controlled trials on magnesium in addition to beta-blocker for prevention of postoperative atrial arrhythmias after coronary artery bypass grafting
Intervention
RCTs (n)
OR
95% CI
P-value for heterogeneity
P-value for overall effect
Low dose of Mag
2
0.71
0.34-1.51
0.09
0.38
High dose of Mag
3
1.2
0.90-1.60
0.85
0.21
Sotalol
1.03
0.55-1.96
0.05
0.92
Other BBs
1.14
0.85-1.53
0.97