Demographics and disposition of 526 455 251 ED patient visits
| n | % of study population | |
| Age (years) | ||
| 18–44 | 279 956 616 | 53.2 |
| 45–64 | 144 295 293 | 27.4 |
| >65 | 102 203 342 | 19.4 |
| Gender | ||
| Women | 299 493 445 | 56.9 |
| Men | 226 961 806 | 43.1 |
| Race | ||
| Non- white | 137 585 419 | 26.1 |
| White | 388 869 832 | 73.9 |
| Disposition | ||
| Admission | 88 326 638 | 15.7 |
| Inpatient mortality | 1 927 235 | 2.6 |