Table 1.
Patient demographics
| Group | Alive | Died | P value |
|---|---|---|---|
| Demographics (N = 1,288,496) | |||
| N | 264,335 | 393 | |
| Weighted, N | 1,283,996 | 1,938 | |
| (%) | 99.8 | 0.2 | |
| Average age (years) | 54.3 | 66.9 | <0.0001 |
| Average comorbidity index | 0.4 | 0.6 | 0.0002 |
| Age groups (%) | |||
| 0–44 | 27.8 | 6.5 | <0.0001 |
| 45–64 | 43.4 | 28.7 | |
| 65–74 | 18.4 | 30.2 | |
| >75 | 10.4 | 34.6 | |
| Gender (%) | |||
| Male | 44.5 | 53.1 | 0.0006 |
| Female | 55.5 | 46.9 | |
| Race (%) | |||
| White | 89.0 | 88.5 | 0.50 |
| Black | 4.5 | 5.9 | |
| Hispanic | 4.0 | 3.2 | |
| Other | 2.5 | 2.4 | |
| Admission type (%) | |||
| Emergent | 3.4 | 15.9 | <0.0001 |
| Elective | 90.1 | 70.9 | |
| Urgent + other | 6.5 | 13.2 | |
| Hospital size (%) | |||
| Small | 12.0 | 6.2 | 0.0002 |
| Medium | 22.2 | 19.5 | |
| Large | 65.8 | 74.3 | |
| Hospital location (%) | |||
| Rural | 4.9 | 3.4 | 0.20 |
| Urban | 95.1 | 96.6 | |
| Hospital teaching status (%) | |||
| Non-teaching | 46.1 | 37.1 | 0.0003 |
| Teaching | 53.9 | 62.9 | |