Severity of mitral regurgitation and the risk of heart failure hospitalisation alone
| Mitral regurgitation | Univariable | Multivariable | ||||
| HR | 95% CI | P value | HR | 95% CI | P value | |
| None | 1.0 (ref) | 1.0 (ref) | ||||
| Mild | 2.3 | 1.4 to 3.7 | 0.001 | 1.7 | 1.1 to 2.8 | 0.028 |
| Moderate to severe | 3.5 | 2.2 to 5.5 | <0.001 | 2.2 | 1.3 to 3.6 | 0.002 |
Multivariable model adjusted for tricuspid regurgitation, diabetes mellitus, ACE inhibitors, diuretics, atrial fibrillation and glomerular filtration rate.