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Has Improved Hand Hygiene Compliance Reduced the Risk of Hospital-Acquired Infections among Hospitalized Patients in Ontario? Analysis of Publicly Reported Patient Safety Data from 2008 to 2011

Published online by Cambridge University Press:  02 January 2015

Giulio DiDiodato
Giulio DiDiodato*
Affiliation:
Department of Critical Care, Royal Victoria Hospital, Barrie, Ontario, Canada
*
Department of Critical Care, Royal Victoria Hospital, Barrie, Ontario L4M 6M2, Canada ([email protected])
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Abstract

Design.

Prospective, observational, ecological, time series, cross-sectional study examining the association between hand hygiene compliance (HHC) rates and the incidence of hospital-acquired infections.

Setting.

Acute care hospitals (N = 166) located in the province of Ontario, Canada.

Methods.

All data were extracted from the Ontario patient safety indicator database (http://www.hqontario.ca/public-reporting/patient-safety). Complete data were available for 166 acute care hospitals from October 1, 2008, to December 31, 2011. The rates of Clostridium difficile infection (CDI) are reported monthly, methicillin-resistant Staphylococcus aureus (MRSA) bacteremia quarterly, and HHC rates yearly. Trends and associations for each indicator were evaluated by ordinary least squares regression (HHC), zero-inflated Poisson regression (MRSA bacteremia), or Poisson regression (CDI). Dependent variables included in the regression analyses were extracted from the same database and included year, healthcare region, and type of hospital (teaching or small or large community).

Results.

Compared to those in 2008, reported HHC rates improved every year both before and after environment/patient contact (range, 10.6%–25.3%). Compared to those in 2008, there was no corresponding change in the rates of MRSA bacteremia; however, the rates of CDI decreased in 2009 but were not statistically significantly decreased from baseline in either 2010 or 2011. No consistent association was demonstrated between changes in the rates of HHC and these two healthcare-associated infections (HAIs).

Conclusions.

Despite significant improvements in reported rates of HHC among healthcare personnel in Ontario's hospitals, we could not demonstrate a positive ecological impact on rates of these two HAIs.

Type
Original Article
Information
Infection Control & Hospital Epidemiology , Volume 34 , Issue 6 , June 2013 , pp. 605 - 610
Copyright
Copyright © The Society for Healthcare Epidemiology of America 2013

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