Table 1.
Baseline characteristics overall and stratified by type of mitral valve procedure received
| Overall, n = 660 | SMVr, n = 393 | TEER, n = 267 | P value | |
|---|---|---|---|---|
| Baseline characteristics | ||||
| Age, y | 67.8 ± 14.2 | 63.8 ± 13.3 | 73.6 ± 13.6 | <.0001 |
| Sex (male) | 62.1% | 62.3% | 61.8% | .89 |
| Hypertension | 79.7% | 75.3% | 86.1% | <.0001 |
| Hyperlipidemia | 71.5% | 68.7% | 75.7% | .05 |
| Diabetes | 29.8% | 25.7% | 36.0% | .005 |
| Depression history | 28.5% | 27.0% | 30.7% | .30 |
| Previous myocardial infarction | 15.8% | 14.2% | 18.0% | .20 |
| Coronary artery disease | 67.0% | 60.6% | 76.4% | <.0001 |
| Heart failure | 7.8% | 61.6% | 86.9% | <.0001 |
| Previous percutaneous coronary intervention | 11.8% | 7.9% | 17.6% | <.0001 |
| Previous coronary artery bypass graft | 14.1% | 18.1% | 8.2% | <.0001 |
| Previous stroke | 9.1% | 7.9% | 10.9% | .19 |
| Previous transient ischemic attack | 9.5% | 7.1% | 13.1% | .01 |
| Atrial fibrillation history | 59.8% | 53.7% | 68.9% | <.0001 |
| Atrial flutter history | 23.9% | 20.4% | 29.2% | .009 |
| Implantable cardioverter defibrillator | 7.7% | 2.8% | 15.0% | <.0001 |
| Pacemaker | 10.5% | 5.9% | 17.2% | <.0001 |
| Previous valve surgery | 56.2% | 65.1% | 43.1% | <.0001 |
| Body mass index, kg/m2 | ||||
| Mean ± SD | 27.2 ± 5.5 | 27.4 ± 5.0 | 26.8 ± 6.2 | .20 |
| Category | .002 | |||
| <25.0 | 37.1% | 31.8% | 44.9% | |
| 25-29.9 | 37.3% | 41.7% | 30.7% | |
| ≥30 | 25.6% | 26.5% | 24.3% | |
| STS predicted risk of mortality score (%), n = 226 | 1.9 ± 3.2 (median, 1.0) | 1.8 ± 3.2 (median, 1; n = 222) | 4.3 ± 2.1 (median, 4.5; n = 4) | .009 |
| LVEF closest before mitral procedure | ||||
| Number of patients | 635 | 378 | 257 | |
| Days, median (range) | 23.0 (1.0, 3660.0) | 28.0 (11.0, 2272.0) | 15.5 (1.0, 3660.0) | <.0001 |
| LVEF | 53.4 ± 13.8 | 56.9 ± 11.2 | 49.1 ± 15.8 | <.0001 |
| LVIDd closest before mitral procedure | ||||
| Number of patients | 608 | 356 | 252 | |
| Days, median (range) | 31.5 (1.0, 3660.0) | 32.0 (1.0, 2952.0) | 30.5 (1.0, 3660.0) | .97 |
| LVIDd | 5.2 ± 0.9 | 5.1 ± 0.8 | 5.3 ± 1.0 | .12 |
| LVIDs closest prior to mitral procedure | ||||
| Number of patients | 604 | 353 | 251 | |
| Days, median (range) | 32.0 (1.0, 4293.0) | 33.0 (1.0, 2853.0) | 31.0 (1.0, 4293.0) | .20 |
| LVIDs | 5.2 ± 0.9 | 5.1 ± 0.8 | 5.3 ± 1.0 | .90 |
| LA size closest before mitral procedure, n = 465 | ||||
| Number of patients | 465 | 261 | 204 | |
| Days, median (range) | 42.0 (1.0, 4767.0) | 42.0 (1.0, 4767.0) | 40.5 (1.0, 4293.0) | .60 |
| Categories | <.0001 | |||
| 0 | 11.8% | 14.2% | 8.8% | |
| 1.0 | 18.1% | 22.6% | 12.3% | |
| 1.5 | 15.1% | 19.2% | 28.6% | |
| 2.0 | 16.8% | 15.3% | 18.6% | |
| 2.5 | 6.9% | 8.0% | 5.4% | |
| 3.0 | 31.4% | 20.7% | 45.1% |
SMVr, Surgical mitral valve repair; TEER, transcatheter edge-to-edge mitral valve repair; SD, standard deviation; STS, Society of Thoracic Surgeons; LVEF, left ventricular ejection fraction; LVIDd, left ventricular internal diameter end diastole; LVIDs, left ventricular internal diameter end systole; LA left atrial.