Table 2.
Procedural details categorized by low, intermediate and large-volume hospital sites.
| Variable | Low Volume Site (N = 21) | Intermediate Volume Site (N = 62) | Large Volume Site (N = 98) | P-Value |
|---|---|---|---|---|
| Approach | 0.03 | |||
| Direct Aortic – # (%) | 0 | 2 (3.2) | 0 | |
| Trans Femoral – # (%) | 11 (52.4) | 41 (66.1) | 48 (49) | |
| Trans Apical – # (%) | 10 (47.6) | 19 (30.6) | 50 (51) | |
| # Valve-in-valve – # (%) | 9.5 (45.2) | 0 | 2.0 (2.0) | 0.12 |
| Number of Valves Used | 1.0 | |||
| Single – # (%) | 21 (100) | 61 (98.4) | 95 (96.9) | |
| Two – # (%) | 0 | 1 (1.6) | 3 (3.1) | |
| Valve Size Used – median (IQR) | 26 (23–26) | 26 (23–26) | 26 (23–26) | 0.13 |
| 23 mm – # (%) | 6 (28.6) | 29 (46.8) | 38 (38.8) | |
| 26 mm – # (%) | 11 (52.4) | 29 (46.8) | 41 (41.8) | |
| 29 mm – # (%) | 4 (19.1) | 4 (6.5) | 19 (19.4) | |
| Contrast Volume | 120 (100–130) | 100 (75–125) | 85 (80–85) | <0.001 |