Table 1.
Patient Characteristics (NIS 2007-2011)
| ACO-Enrolling Hospitals |
Non-Enrolling Hospitals |
||
|---|---|---|---|
| Characteristic | p-value | ||
| Admissions (No.) | 851,608 | 2,657,935 | |
| Age (yrs) | |||
| Median | 54 | 53 | <0.001 |
| Category, % | <0.001 | ||
| <50 | 42.9 | 45.6 | |
| 50-59 | 15.9 | 15.0 | |
| 60-69 | 17.3 | 16.4 | |
| 70-79 | 14.4 | 13.8 | |
| ≥80 | 9.5 | 9.2 | |
| Race (%) | <0.001 | ||
| White | 74.3 | 70.8 | |
| Black | 8.2 | 9.7 | |
| Hispanic | 11.3 | 13.1 | |
| Other | 6.2 | 6.4 | |
| Female (%) | 67.7 | 68.4 | <0.001 |
| Household Income (% in each quartile) | <0.001 | ||
| <$39,000 | 14 .3 | 22 .3 | |
| $39,000-47,999 | 22.2 | 23.4 | |
| $48,000-62,999 | 30.0 | 25.4 | |
| ≥$63,000 | 33.5 | 28.9 | |
| Admission Type (%) | <0.001 | ||
| Elective | 78 .6 | 80 .0 | |
| Trauma, emergent, urgent | 21.4 | 20.0 | |
| Comorbidity count (%) | <0.001 | ||
| 0 | 32.8 | 34.4 | |
| 1 | 23.2 | 23.0 | |
| ≥2 | 44.0 | 42.6 | |
| Primary Payer (%) | <0.001 | ||
| Medicare | 32.3 | 31.9 | |
| Medicaid | 11.8 | 14.8 | |
| Private, self-pay, or other | 55.9 | 53.3 |