Table 1 Baseline characteristics of patients, stratified by presence of mechanical valves
All patients | Mechanical valve | No mechanical valve | ||||
|---|---|---|---|---|---|---|
N = 411 | N = 257 | N = 154 | ||||
Age - yr ± S.D. | 66.67 | ± 11.92 | 65.56 | ± 10.04 | 65.85 | ± 14.56 |
Age > 65 - no. (%) | 208 | 50.6% | 129 | 50.2% | 79 | 51.3% |
Male sex - no. (%) | 178 | 43.3% | 90 | 35.0% | 88 | 57.1% |
Medical history - no. (%) | ||||||
Rheumatic heart disease | 251 | 61.1% | 224 | 87.2% | 27 | 17.5% |
Mitral stenosis (native valve) | 13 | 3.2% | 0 | 0.0% | 13 | 8.4% |
Tricuspid regurgitation (at least moderate) | 156/277 | 56.3% | 111/186 | 59.7% | 45/91 | 49.5% |
Prior transient ischemic attack | 21 | 5.1% | 16 | 6.2% | 5 | 3.3% |
Prior ischemic stroke | 54 | 13.1% | 32 | 12.5% | 22 | 14.3% |
Prior non-CNS embolic event | 3 | 0.7% | 1 | 0.4% | 2 | 1.3% |
Hypertension | 159 | 38.7% | 89 | 34.6% | 70 | 45.5% |
Diabetes mellitus | 100 | 24.3% | 58 | 22.6% | 42 | 27.3% |
Chronic kidney disease (eGFR< 30 ml/m2) | 68 | 16.5% | 35 | 13.6% | 33 | 21.4% |
Cardiomyopathy | 112 | 27.3% | 37 | 14.4% | 75 | 48.7% |
Coronary artery disease | 61 | 14.8% | 19 | 7.4% | 42 | 27.3% |
Percutaneous coronary intervention | 30 | 7.3% | 6 | 2.2% | 24 | 15.6% |
Coronary-artery bypass surgery | 15 | 3.7% | 7 | 2.7% | 8 | 5.2% |
Left ventricular ejection fraction < 50% | 147 | 35.8% | 74 | 28.8% | 73 | 47.4% |
Left ventricular ejection fraction - percentage point ± S.D | 50.75 | ± 17.66 | 53.74 | ± 15.92 | 45.75 | ± 19.27 |