Benchmarking phase | From: Jan 2007 To: Jan 2008 Duration: 13 months
| VAP screening process was refined VAP rates were benchmarked internally and compared to NHSN data. Staff educated about VAP prevention and oriented to prevention bundle.
| 4.2 | – |
Checklist phase | From: Feb 2008 To: Jan 2009 Duration: 12 months
| | 0.7 | <0.059 |
Checklist washout phase | From: Feb 2009 To: May 2009 Duration: 4 months
| In response to over-burdensome data collection reported by staff, VAP prevention checklist use briefly optional and subsequently discontinued. No auditing of VAP prevention practice compliance.
| 4.8 | <0.042 |
Flowsheet phase | From: June 2009 To: June 2010 Duration: 13 months
| Cues for key VAP prevention bundle practices added to flowsheets. From Aug 2009, audits were conducted to assess documentation and bundle compliance.
| 0.8 | <0.047 |