Univariate predictors of survival
| Variable | HR (95% CI) | p Value |
|---|---|---|
| Residual MR severity | 2.54 (1.45 to 4.46) | <0.01 |
| NT-proBNP ≥5000 ng/L | 6.18 (1.84 to 20.79) | <0.01 |
| COPD | 2.36 (1.04 to 5.36) | 0.04 |
| Chronic kidney disease | 3.29 (1.37 to 7.92) | <0.01 |
COPD, chronic obstructive pulmonary disease; MR, mitral regurgitation; NT-proBNP, N-terminal probrain natriuretic peptide.