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Distribution of High-Risk Criteria Among Patients Undergoing Mitral Valve Operations
| High Risk Criteria | Count | % |
|---|---|---|
| STS PROM > 12% | 164 | 37.80% |
| Functional MR with EF < 0.40 | 398 | 57.00% |
| Age > 75 years with EF < 0.40 | 32 | 4.60% |
| Reoperation with patent grafts | 176 | 25.20% |
| Two or more prior chest surgeries | 48 | 6.90% |
| STS high-risk factors | ||
| 1 | 280 | 40.10% |
| 2 | 134 | 19.20% |
| 3 | 16 | 2.30% |
EF = ejection fraction; MR = mitral regurgitation; PROM = Predicted Risk of Mortality; STS = The Society of Thoracic Surgeons.
