Table 2. Risk factors included across the existing TAVI-specific CPMs that aim to predict 1-year mortality.
| Characteristic | CoreValve model (18) | TARIS (24) | TAVI2-SCOREe (25) |
|---|---|---|---|
| Year of publication | 2016 | 2014 | 2015 |
| Total sample size | 3,687 | 1,178 | 511 |
| Derivation | 2,482 | 845 | 511 |
| Validation* | 1,205 | 333 | 100 (bootstrap resampling) |
| Predictors | Albumin ≤3.3 g/dL | Age | Age >85 years |
| Home oxygen | Female | Male | |
| Severe Charlson score | BMI | Porcelain aorta | |
| STS-PROM >7% | Pulmonary hypertension | MI <90 days | |
| eGFR | CrCl <30 mL/kg/min | ||
| Hemoglobin | Hemoglobin <10 g/dL | ||
| P mean before TAVI (mmHg) | LVEF <35% | ||
| LVEF <45% | Aortic valve mean gradient ≥70 mmHg |
*, Internal validation. TAVI, transcatheter aortic valve implantation; CPMs, clinical prediction models; BMI, body mass index; CrCl, creatinine clearance; eGFR, glomerular filtration rate; LVEF, left ventricular ejection fraction; MI, myocardial infarction; STS-PROM, Society of Thoracic Surgeons Predicted Risk of Mortality.