Table 1. Characteristics of patients admitted with AMI to U.S. teaching-intensive and non-teaching-intensive hospitals, 2002-2008.
| Teaching-intensive hospitals | Non-teaching-intensive hospitals | |||
|---|---|---|---|---|
| May | July | May | July | |
| No. of hospitals | 98 | 98 | 1353 | 1353 |
| No. of patients with AMI | 7073 | 6810 | 31932 | 30402 |
| Mean patient age, y (sd) | 66.3 (14.1) | 66.0 (14.2) | 68.8 (14.7) | 68.3 (14.8) |
| Female, No. (%) | 2702 (38.2) | 2658 (39.0) | 13112 (41.1) | 12433 (40.9) |
| Race, No. (%) | ||||
| White | 4278 (60.5) | 4068 (59.7) | 18072 (56.6) | 17188 (56.5) |
| Black | 629 (8.9) | 573 (8.4) | 1601 (5.0) | 1586 (5.2) |
| Hispanic | 441 (6.2) | 450 (6.6) | 1272 (4.0) | 1227 (4.0) |
| Other or unknown | 1725 (24.4) | 1719 (25.2) | 10987 (34.4) | 10401 (34.2) |
| Mean No. Charlson-Deyo comorbidities (sd) | 2.4 (1.5) | 2.4 (1.6) | 2.5 (1.6) | 2.4 (1.6) |
| Deaths, No. | 398 | 429 | 2547 | 2374 |
| Mortality rate, % (95% CI) | 5.6 (5.1 - 6.2) | 6.3 (5.7 - 6.9) | 8.0 (7.7 - 8.3) | 7.8 (7.5 - 8.1) |
| Predicted mortality rate, Mean % (95% CI) | 6.9 (6.7 - 7.1) | 6.8 (6.6 - 7.0) | 7.8 (7.7 - 7.9) | 7.5 (7.4 - 7.6) |
| No. patients with PCI (%) | 3269 (46.2) | 3165 (46.5) | 12472 (39.1) | 12191 (40.1) |
| No. patients with bleeding complications (%) | 764 (10.8) | 758 (11.1) | 2219 (6.9) | 2119 (7.0) |
Notes: Teaching-intensive hospitals were defined as teaching hospitals with a ratio of resident physicians to hospital beds of more than 0.6. Non-teaching-intensive hospitals were defined as all other hospitals. Predicted mortality was based on a validated risk-adjustment tool from the Agency for Health care Research and Quality.