Table 3. Logistic regression analysis to identify the predictors of device success in the study patients.
| Parameters | Device | P value | |
|---|---|---|---|
| Success (+) (N=15) | Failure (−) (N=10) | ||
| Age (year) | 70.3±13.7 | 75.4±16.9 | 0.40 |
| Male, n (%) | 10 (66.7) | 8 (80.0) | 0.47 |
| Height (cm) | 166.2±8.8 | 165.0±10.0 | 0.74 |
| Weight (kg) | 58.9±13.5 | 65.8±16.4 | 0.97 |
| Body mass index (kg/m2) | 21.3±4.1 | 24.0±4.6 | 0.14 |
| Systemic hypertension, n (%) | 12 (80.0) | 6 (60.0) | 0.28 |
| Diabetes mellitus, n (%) | 1 (6.7) | 3 (30.0) | 0.15 |
| Chronic obstructive pulmonary disease, n (%) | 3 (20.0) | 3 (30.0) | 0.57 |
| Coronary artery disease, n (%) | 4 (26.7) | 4 (40.0) | 0.49 |
| Prior myocardial infarction, n (%) | 0 | 1 (10.0) | >0.99 |
| Prior percutaneous coronary intervention, n (%) | 2 (13.3) | 1 (10.0) | 0.80 |
| Heart failure, NYHA functional class III/IV, n (%) | 6 (40.0) | 1 (10.0) | 0.13 |
| Prior cerebrovascular accident, n (%) | 3 (20.0) | 4 (40.0) | 0.28 |
| Previous atrial fibrillation, n (%) | 3 (20.0) | 5 (50.0) | 0.13 |
| Peripheral arterial occlusion disease, n (%) | 1 (6.7) | 1 (10.0) | 0.77 |
| Prior permanent pacemaker implantation, n (%) | 3 (20.0) | 3 (30.0) | 0.57 |
| STS-PROM score (%) | 6.1±4.3 | 8.0±4.9 | 0.32 |
| Left ventricular ejection fraction (%) | 52.3±13.9 | 51.9±9.9 | 0.93 |
| Right ventricular ejection fraction (%) | 58.3±6.7 | 55.1±8.2 | 0.28 |
| Ascending aorta diameter (mm) | 38.7±6.9 | 38.2±3.5 | 0.84 |
| Transfemoral access, n (%) | 3 (20.0) | 0 | >0.99 |
| Early-generation device, n (%) | 10 (66.7) | 2 (20.0) | 0.03* |
Continuous variables are expressed as mean ± standard deviation. *, significance level, P<0.05. NYHA, New York Heart Association; STS-PROM, Society for Thoracic Surgery-probability of mortality score.