Table 3.
Variable | Magnesium (n = 186) | Placebo (n = 177) | P value |
---|---|---|---|
Medications given before AF onset | |||
Beta-blocker preop but not postop, % | 16.1 | 10.7 | 0.13 |
Beta-blocker preop and postop, % | 51.1 | 50.9 | 0.97 |
Beta-blocker postop only, % | 22.6 | 26.6 | 0.38 |
ACE-I preop but not postop, % | 43.6 | 35.0 | 0.10 |
ACE-I preop and postop, % | 12.4 | 18.1 | 0.13 |
Statin preop and postop, % | 38.7 | 37.3 | 0.78 |
Potassium postop, % | 81.2 | 83.6 | 0.54 |
NSAID or COX-2 inhibitor postop, % | 19.4 | 17.0 | 0.55 |
All results were analyzed with the chi-square test. AF, atrial fibrillation; ACE-I, angiotensin-converting enzyme inhibitor; NSAID, nonsteroidal anti-inflammatory drug; COX, cyclooxygenase.