Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sample Selection
| All Pre-period cases | 1,755 |
| Removed for missing APACHE III score | 10 |
| Removed for ICU stay overlapping staffing change | 11 |
| Removed for ICU stays in both time periods | 4 |
| Remaining Pre-period cases | 1,730 |
| All Post-period cases | 2,088 |
| Removed for missing APACHE III score | 5 |
| Removed for having ICU discharge after 2006 | 5 |
| Remaining Post-period cases | 2,073 |
| Total hospital episodes used | 3,803 |
