Table 1 Site characteristics for adult acute-care hospitals participating in CNISP AMU surveillance, 2009–2016
Variable | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
|---|---|---|---|---|---|---|---|---|
Hospital Sites (adult-only facilities) | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 18 |
 Inpatient Days | 2,248,729 | 2,296,710 | 2,430,114 | 2,432,819 | 2,436,568 | 2,528,205 | 2,891,489 | 2,967,559 |
 Regions | ||||||||
  West | 5 | 5 | 5 | 5 | 5 | 4 | 6 | 6 |
  Central | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 11 |
  East | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
 Hospital Bed Size | ||||||||
  ≥ 501 beds | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 7 |
  201–500 beds | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 9 |
  ≤ 200 beds | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 2 |
 Hospital Type | ||||||||
  Teaching | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 18 |
  Community | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Year Type for Data Collection | ||||||||
  Fiscal year | 17 | 17 | 17 | 17 | 17 | 2 | 0 | 0 |
  Calendar year | 0 | 0 | 0 | 0 | 0 | 14 | 17 | 18 |
Intensive Care Units | ||||||||
 Number of Hospitals with Intensive Care Unit (ICU) Data Available | – | 14 | 14 | 15 | ||||
 Inpatient days | – | 130,124 | 138,660 | 146,051 | ||||
 Regions | ||||||||
  West | – | 4 | 5 | 5 | ||||
  Central | – | 9 | 8 | 9 | ||||
  East | – | 1 | 1 | 1 | ||||
 Hospital Bed Size | ||||||||
  ≥ 501 beds | – | 6 | 7 | 6 | ||||
  201–500 beds | – | 6 | 6 | 8 | ||||
  ≤ 200 beds | – | 2 | 1 | 1 | ||||
 Hospital Type | ||||||||
  Teaching | – | 14 | 14 | 15 | ||||
  Community | – | 0 | 0 | 0 | ||||
 Year Type for Data Collection | ||||||||
  Fiscal year | – | 0 | 0 | 0 | ||||
  Calendar year | – | 14 | 14 | 15 | ||||