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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Anesth Analg. 2015 Oct;121(4):861–867. doi: 10.1213/ANE.0000000000000873

Table 3.

Perioperative Medication Administration

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.