Research Article
Long-Term Outcomes of Bovine versus Porcine Mitral Valve Replacement: A Multicenter Analysis
Table 4
Crude and adjusted hazard ratios for long-term outcomes.
| | Models | Tissue type | HR (95% CI) | P value |
| | Mortality | | Unadjusted | Pericardial | 1.00 (ref) | | | Porcine | 1.17 (1.00–1.37) | 0.050 |
| | PSM | Pericardial | 1.00 (ref) | | | Porcine | 0.97 (0.81–1.17) | 0.756 |
| | IPW | Pericardial | 1.00 (ref) | | | Porcine | 1.00 (0.85–1.18) | >0.99 |
| | Reoperation | | Unadjusted | Pericardial | 1.00 (ref) | | | Porcine | 0.56 (0.23–1.32) | 0.185 |
| | PSM | Pericardial | 1.00 (ref) | | | Porcine | 0.54 (0.20–1.47) | 0.225 |
| | IPW | Pericardial | 1.00 (ref) | | | Porcine | 0.68 (0.28–1.63) | 0.383 |
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PSM, propensity score match; IPW, inverse propensity weighting.
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