Table 2.
Unadjusted 30-Day Mortality Among Patients Admitted for Acute Myocardial Infarction, Heart Failure, or Cardiac Arrest During Dates of 2 National Cardiology Meetings
| Conditions | Predicted Mortality Risk | |||||
|---|---|---|---|---|---|---|
| Low | High | |||||
| Meeting Dates | Nonmeeting Dates | P Value | Meeting Dates | Nonmeeting Dates | P Value | |
| Teaching Hospitals | ||||||
| Acute myocardial infarction | ||||||
| Patients, No. | 710 | 4359 | .36 | 178 | 1001 | .54 |
| 30-d mortality, No. (%) | 55 (7.7) | 385 (8.8) | 72 (40.4) | 382 (38.2) | ||
| Heart failure | ||||||
| Patients, No. | 1410 | 8415 | .82 | 388 | 2154 | <.001 |
| 30-d Mortality, No. (%) | 71 (5.0) | 435 (5.2) | 66 (17.0) | 535 (24.8) | ||
| Cardiac arrest | ||||||
| Patients, No. | NA | NA | NA | 166 | 975 | .02 |
| 30-d Mortality, No. (%) | NA | NA | 98 (59.0) | 669 (68.6) | ||
| Nonteaching Hospitals | ||||||
| Acute myocardial infarction | ||||||
| Patients, No. | 6311 | 38 291 | .06 | 1371 | 7820 | .15 |
| 30-d Mortality, No. (%) | 659 (10.4) | 4298 (11.2) | 587 (42.8) | 3181 (40.7) | ||
| Heart failure | ||||||
| Patients, No. | 13 775 | 81 968 | .02 | 3709 | 22 054 | .66 |
| 30-d Mortality, No. (%) | 1045 (7.6) | 5738 (7.0) | 901 (24.3) | 5432 (24.6) | ||
| Cardiac arrest | ||||||
| Patients, No. | NA | NA | NA | 1398 | 8605 | .14 |
| 30-d Mortality, No. (%) | NA | NA | 980 (70.1) | 6197 (72.0) | ||
Abbreviation: NA, not applicable.