Unadjusted ORs for in-hospital mortality by baseline characteristics
| Variable | OR (95% CI) | P value |
| Age, years | 1.101 (1.075 to 1.127) | <0.001 |
| Male | 1.061 (0.661 to 1.702) | 0.807 |
| Hypertension | 3.009 (1.796 to 5.043) | <0.001 |
| Coronary artery disease | 3.435 (1.908 to 6.182) | <0.001 |
| Heart failure or cardiomyopathy | 7.529 (3.689 to 15.367) | <0.001 |
| Atrial fibrillation or flutter | 2.766 (1.459 to 5.244) | 0.002 |
| Severe valvular disease | 3.758 (1.198 to 11.791) | 0.023 |
| Stroke or transient ischaemic attack | 3.528 (1.754 to 7.096) | <0.001 |
| Hypercholesterolaemia | 1.549 (0.944 to 2.540) | 0.083 |
| Diabetes mellitus | 2.219 (1.356 to 3.629) | 0.002 |
| Peripheral arterial disease | 2.329 (0.444 to 12.214) | 0.317 |
| Current or recent smoker | 0.774 (0.226 to 2.650) | 0.684 |
| Chronic obstructive pulmonary disease | 3.994 (2.077 to 7.678) | <0.001 |
| Asthma | 0.573 (0.238 to 1.376) | 0.213 |
| Chronic kidney disease (eGFR <60 mL/min/1.73 m2) | 3.994 (2.077 to 7.678) | <0.001 |
eGFR, estimated glomerular filtration rate.