Table 4. Logistic regression for the prediction of AF occurrence.
| Univariate | Multivariate | |||
|---|---|---|---|---|
| HR (CI95%) | p | HR (CI95%) | p | |
| Age | 1.09 (1.00–1.11) | 0.048 | 1.00 (0.93–1.08) | 0.951 |
| Male sex | 4.96 (1.84–13.36) | 0.031 | 2.14 (0.58–7.88) | 0.252 |
| Hypertension | 1.51 (0.56–4.03) | 0.415 | ||
| Hypercholesterolemia | 2.05 (0.77–5.42) | 0.150 | ||
| Diabetes mellitus | 1.31 (0.55–3.10) | 0.546 | ||
| Body mass index | 1.09 (0.98–1.21) | 0.123 | 1.06 (0.92–1.22) | 0.443 |
| Indexed left atrial volume | 1.06 (100–1.11) | 0.042 | 1.03 (0.96–1.10) | 0.380 |
| Left ventricular ejection fraction | 0.99 (0.96–1.03) | 0.797 | ||
| Clamping time | 0.98 (0.96–1.01) | 0.235 | ||
| Cardiopulmonary pump time | 0.99 (0.98–1.01) | 0.679 | ||
| Type of surgery (valve surgery vs CABG) | 2.61(1.08–6.32) | 0.034 | 2.73(0.63–11.86) | 0.181 |
| EuroSCORE | 1.26 (1.03–1.54) | 0.025 | 1.28 (0.91–1.79) | 0.150 |
| Interstitial atrial appendage fibrosis | 2.18 (0.88–5.44) | 0.094 | 3.77 (1.20–11.76) | 0.022 |
CABG: coronary artery bypass grafting; EuroSCORE: The European System for Cardiac Operative Risk Evaluation; ACE: angiotensin-converting enzyme; ARBs: angiotensin receptor blockers; CA: calcium antagonists.