Table 2.
Hospitals That Enrolled and Did Not Enroll in the Door-to-Balloon (D2B) Alliance Among Hospitals in the United States That Perform Primary Percutaneous Coronary Intervention*
| Characteristic | Enrolled hospitals (N = 753*) | Non-enrolled hospitals (N = 654) | Odds Ratio (95% C.I.) |
|---|---|---|---|
| Number of Beds | |||
| < 300 | 324 | 416 | reference |
| 300–600 | 329 | 193 | 2.19 (1.74, 2.75) |
| > 600 | 100 | 45 | 2.85 (1.95, 4.17) |
| Ownership Type | |||
| For-profit | 119 | 140 | reference |
| Nonprofit | 556 | 434 | 1.51 (1.15, 1.98) |
| Governmental | 78 | 80 | 1.15 (0.77, 1.71) |
| Census Region | |||
| New England | 28 | 22 | reference |
| Mid-Atlantic | 89 | 68 | 1.03 (0.54, 1.95) |
| South Atlantic | 137 | 65 | 1.66 (0.88, 3.11) |
| East North Central | 154 | 100 | 1.21 (0.66, 2.23) |
| East South Central | 66 | 43 | 1.21 (0.61, 2.38) |
| West North Central | 53 | 62 | 0.67 (0.34, 1.31) |
| West South Central | 96 | 115 | 0.66 (0.35, 1.22) |
| Mountain | 51 | 63 | 0.64 (0.33, 1.24) |
| Pacific | 79 | 108 | 0.58 (0.31, 1.08) |
| Unknown | 8 | † | |
| Teaching Status | |||
| Nonteaching hospital | 358 | 226 | reference |
| Teaching hospital | 395 | 428 | 1.72 (1.38, 2.13) |
*
Included D2B Alliance hospitals that could be matched with the list of PCI hospitals, derived from the 2005 Health Quality Alliance and National Cardiovascular Data Registry™. C.I., confidence interval.
†
The model was run without the hospitals for which census region data were not available.