Table 2.
Baseline characteristics of matched ViV-TAVI and redo-SAVR patients
| Variable | Propensity score matching | IPTW | ||||
|---|---|---|---|---|---|---|
| ViV-TAVI (n = 165) |
Redo-SAVR (n = 165) |
P-value | SMD | P-value | SMD | |
| Male | 96 (58.2) | 100 (60.6) | 0.74 | 0.049 | 0.73 | 0.034 |
| Age, years | 74 (70–79) | 73 (69–77) | 0.11 | 0.23 | 0.65 | 0.044 |
| BMI, kg/m2 | 26.6 (24.1–30.1) | 26.7 (24.2–28.8) | 0.48 | 0.060 | 0.98 | 0.003 |
| NYHA class III–IV | 95 (57.6) | 90 (54.5) | 0.66 | 0.061 | 0.94 | 0.007 |
| Left ventricular ejection fraction, % | 55 (44.5–55) | 55 (43–55) | 0.74 | 0.042 | 0.92 | 0.010 |
| Logistic EuroSCORE I | 17.3 (11.2–23.1) | 15.5 (9.3–22.5) | 0.14 | 0.042 | 0.94 | 0.007 |
| Urgent procedure | 35 (21.2) | 41 (24.8) | 0.51 | 0.086 | 0.95 | 0.006 |
| Diabetes mellitus | 34 (20.6) | 29 (17.6) | 0.58 | 0.077 | 0.95 | 0.006 |
| Chronic pulmonary disease | 28 (17.0) | 27 (12.7) | 0.35 | 0.12 | 0.70 | 0.038 |
| Previous stroke | 15 (9.1) | 17 (10.3) | 0.85 | 0.041 | 0.89 | 0.013 |
| Procedure before 2016 | 80 (49.5) | 80 (49.5) | 1.00 | < 0.01 | 0.79 | 0.025 |
Data are presented as n (%) or median (interquartile range)
Viv-TAVI valve-in-valve transcatheter aortic valve implantation, SAVR surgical aortic valve replacement, IPTW inverse probability of treatment weighting, SMD standardized mean difference, BMI body mass index, NYHA New York Heart Association, EuroSCORE European System for Cardiac Operative Risk Evaluation