Table 2 Characteristics of hospitals and ICUs in each time period
From: Changes in hospital mortality for United States intensive care unit admissions from 1988 to 2012
| Â | 1988-1989 | 1993-1996 | 2001-2003 | 2004-2006 | 2007-2009 | 2010-2012 |
|---|---|---|---|---|---|---|
# of hospitals | 40 | 161 | 71 | 57 | 98 | 90 |
Region | Â | Â | Â | Â | Â | Â |
   Northeast | 17.5% | 19.9% | 4.2% | 0.0% | 16.0% | 21.1% |
   Southeast | 32.5% | 29.2% | 31.0% | 31.6% | 27.0% | 21.1% |
   Midwest | 30.0% | 23.0% | 35.2% | 35.1% | 33.0% | 41.1% |
   West | 20.0% | 28.0% | 29.6% | 33.3% | 24.0% | 16.7% |
Teaching Status | Â | Â | Â | Â | Â | Â |
   COTH | 52.5% | 40.4% | 16.9% | 17.5% | 34.0% | 54.4% |
   Teach, non-COTH | 10.0% | 19.9% | 36.6% | 43.9% | 37.0% | 24.4% |
   Non-teach | 37.5% | 39.7% | 46.5% | 38.6% | 29.0% | 21.1% |
Bedsize | 474 | 464 | 453 | 501 | 497 | 473 |
   # of intensive care units | 42 | 285 | 166 | 136 | 199 | 180 |
ICU Type | Â | Â | Â | Â | Â | Â |
   Mixed Medical-Surgical | 71.0% | 33.3% | 36.5% | 30.9% | 31.5% | 36.7% |
   Medical | 10.0% | 19.6% | 12.6% | 15.4% | 19.8% | 17.4% |
   Surgical | 16.0% | 22.1% | 14.4% | 17.7% | 21.3% | 22.9% |
   Other | 3.0% | 25.0% | 36.5% | 36.0% | 27.4% | 22.9% |