Table 2:
Hospital characteristics across quartiles of risk-adjusted 30-day home following the TAVR procedure
| Variable | Low Performing → High Performing | P Value | |||
|---|---|---|---|---|---|
| Quartile 1 (N=163) | Quartile 2 (N=163) | Quartile 3 (N=163) | Quartile 4 (N=163) | ||
| Number of beds Median (IQR) | 423 (322–632) | 414 (286–615) | 440 (292–630) | 383 (266–520) | 0.04 |
|
Teaching affiliation (%)
Major Minor Non |
27.6 57.7 14.7 |
30.3 58.0 11.7 |
30.9 56.2 13.0 |
24.7 58.0 17.3 |
0.8 |
| Bundled payment (%) | 43.2 | 50.0 | 43.0 | 50.7 | 0.4 |
| Cardiac rehabilitation (%) | 90.7 | 95.3 | 96.1 | 87.2 | 0.01 |
|
Ownership (%)
Government Investor Not for profit |
7.4 19.6 73.0 |
8.6 13.0 78.4 |
9.9 14.2 75.9 |
5.6 9.3 85.2 |
0.1 |
|
Urban location Rural location |
98.2 1.8 |
97.5 2.5 |
97.5 2.5 |
97.5 2.5 |
0.9 |
|
Region (%)
Midwest Northeast Southeast Southwest West |
33.3 22.2 24.1 12.4 8.0 |
24.7 19.1 29.6 10.5 16.1 |
20.1 20.1 32.7 8.2 18.9 |
22.2 10.8 23.4 10.1 33.5 |
<0.001 |
| Length of hospital stay day after TAVR procedure Median (IQR), days | 2.30 (2.0–2.7) | 2.09 (1.8–2.5) | 1.90 (1.7–2.3) | 1.64 (1.4–2.0) | <0.001 |
| 30-day home time Median (IQR), days | 25.3 (24.5–25.9) | 26.9 (26.7–27.2) | 27.9 (27.7–28.2) | 29.4 (28.9–29.9) | <0.001 |
| 30-RSRR Median (IQR) (%) | 16.0 (12.1–20.7) | 14.0 (10.8–18.3) | 12.6 (9.3–15.3) | 9.2 (6.7–11.7) | <0.001 |
| 30-RSMR Median (IQR) (%) | 2.7 (1.5–4.0) | 2.2 (1.3–3.5) | 1.6 (0.9–1.5) | 0.9 (0.0–1.6) | <0.001 |
| Annual TAVR Volume median (IQR) | 54 (34–87) | 66 (36–104) | 59 (38–108) | 43 (28–71) | 0.05 |
| Rate of admissions per 100 person-months at 1 year * Median (IQR) | 11.9 (9.5–14.9) | 11.4 (9.6–14.5) | 10.1 (8.0–12.6) | 8.9 (6.8–10.5) | <0.001 |
*
Restricted to TAVR patients before 01/01/2019 to allow one year of follow up data (N=113,978 in 599 TAVR centers)
TAVR: Transcatheter aortic valve replacement; IQR: Interquartile range; RSMR: Risk-adjusted mortality rate; RSRR: Risk adjusted readmission rate