Predictors of normal LAP by multivariable analysis
| Predictor of normal LAP | ORs (95% CI) | P value |
| Age | 1.05 (0.99 to 1.11) | 0.12 |
| Male gender | 0.55 (0.20 to 1.57) | 0.26 |
| Body mass index | 0.95 (0.88 to 1.04) | 0.27 |
| Prior cardiovascular surgery | 1.03 (0.36 to 2.89) | 0.96 |
| Former smoker | 0.74 (0.30 to 1.81) | 0.51 |
| Diabetes mellitus | 2.44 (0.77 to 7.70) | 0.13 |
| Chronic lung disease | 4.75 (1.83 to 12.36) | 0.001 |
| Coronary artery disease | 0.65 (0.22 to 1.92) | 0.44 |
| Atrial fibrillation | 0.50 (0.21 to 1.22) | 0.13 |
| Heart failure | 0.52 (0.13 to 2.09) | 0.37 |
| Left ventricular ejection fraction | 1.00 (0.96 to 1.04) | 0.93 |
| Severe mitral regurgitation | 0.71 (0.28 to 1.83) | 0.48 |
LAP, left atrial pressure.