From: Metformin therapy and postoperative atrial fibrillation in diabetic patients after cardiac surgery
Variable | Metformin (n = 635) 49.5% | Non-metformin (n = 648) 50.4% | p value |
---|---|---|---|
Overall (CABG or valve surgery) | |||
 New atrial fibrillation | 149 (23.5%) | 172 (26.5%) | 0.2088 |
 Acute renal failure This is defined as 3-fold increase in creatinine from baseline on admission) | 3 (0.5%) | 5 (0.8%) | 0.7258 |
 30-day readmission with arrhythmia | 4 (0.6%) | 3 (0.5%) | 0.7232 |
CABG only | NÂ =Â 408 | NÂ =Â 405 | Â |
 New atrial fibrillation | 81 (19.9%) | 91 (22.5%) | 0.3707 |
 Acute renal failure | 0 (0.0%) | 2 (0.5%) | 0.2479 |
 30-day readmission with arrhythmia | 2 (0.5%) | 2 (0.5%) | 0.9999 |
Valve surgery only | NÂ =Â 143 | NÂ =Â 142 | Â |
 New atrial fibrillation | 38 (26.6%) | 39 (27.5%) | 0.8655 |
 Acute renal failure | 2 (1.4%) | 0 (0.0%) | 0.4982 |
 30-day readmission with arrhythmia | 1 (0.7%) | 0 (0.0%) | 0.9999 |