Table I.
Characteristics of Hospitals based on Hybrid Revascularization Volume.
| Hybrid (N=358) |
No Hybrid (N=353) |
p-value | Hybrid 1st Tertile (N=119) |
Hybrid 2nd Tertile (N=120) |
Hybrid 3rd Tertile (N=119) |
p-value | |
|---|---|---|---|---|---|---|---|
| Number of hybrid revascularizations per year | 0.2 (0.1, 0.3) |
--- | <0.001 | 0.1 (0.1, 0.3) |
0.2 (0.1, 0.3) |
0.3 (0.2, 0.7) |
<0.001 |
| Number of CMS Certified Beds | 382 (255–567) |
328 (219 – 450) |
<0.001 | 451 (335 – 700) |
347 (252 – 515) |
343 (199 – 527) |
<0.001 |
| Urban | 55.9% | 48.4% | 0.15 | 55.5% | 60.8% | 51.3% | 0.03 |
| Suburban | 33.8% | 36.5% | 37.8% | 25.8% | 29.4% | ||
| Rural | 13.9% | 14.7% | 6.7% | 13.3% | 19.3% | ||
| University | 13.1% | 9.3% | 0.03 | 14.3% | 8.3% | 16.8% | 0.07 |
| Private/Community | 86.3% | 87.8% | 84.9% | 91.7% | 82.4% | ||
| Government | 0.6% | 2.5% | 0.8% | 0.0% | 0.8% | ||
| South | 42.2% | 34.3% | 0.10 | 39.5% | 47.5% | 39.5% | 0.29 |
| Midwest | 26.0% | 27.8% | 30.3% | 22.5% | 25.2% | ||
| Northeast | 12.8% | 12.2% | 13.4% | 13.3% | 11.8% | ||
| West | 19.0% | 25.2% | 16.8% | 16.7% | 23.5% | ||
| Training Program | 51.4% | 45.3% | 0.11 | 56.3% | 48.3% | 49.6% | 0.23 |
| Average Annual PCI Volume | 573.8 (381.7–857.8) |
335.8 (211.9–538.5) |
<0.001 | 720.7 (514.5–1104.6) |
572.0 (351.5–759.2) |
450.1 (249.7–724.8) |
0.26 |