Xing J. Lee
Quantifying the relative effect of environmental contamination on surgical ward MRSA incidence: An exploratory analysis
Lee, Xing J.; Pettitt, Anthony N.; Dancer, Stephanie J.
Abstract
Background: To investigate and quantify the contribution of environmental contamination towards methicillin-resistant Staphylococcus aureus (MRSA) incidence observed in a hospital ward using stochastic modelling. Methods: A non-homogeneous Poisson process model was developed to investigate the relationship between environmental contamination and MRSA incidence in a UK surgical ward during a cleaning intervention study. The model quantified the fractional risks (FRs) from colonised patients, environmental contamination and a generic background source as a measure of their relative importance in describing the observed MRSA incidence. Results: While the background source remained the most likely MRSA acquisition source for this ward (as measured by the FRs), environmental contamination was the second most likely source, ahead of colonised patients in the ward. The relative importance of environmental contamination was smaller in the enhanced cleaning period compared with the normal cleaning period, albeit with notable variability in the estimates.
Citation
Lee, X. J., Pettitt, A. N., & Dancer, S. J. (2018). Quantifying the relative effect of environmental contamination on surgical ward MRSA incidence: An exploratory analysis. Infection, Disease & Health, https://doi.org/10.1016/j.idh.2018.02.005
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 12, 2018 |
Online Publication Date | Mar 31, 2018 |
Publication Date | Mar 31, 2018 |
Deposit Date | Apr 11, 2018 |
Publicly Available Date | Apr 11, 2018 |
Journal | Infection, Disease & Health |
Print ISSN | 2468-0451 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1016/j.idh.2018.02.005 |
Keywords | Health facility environment; Methicillin-resistant Staphylococcus aureus; Stochastic processes |
Public URL | http://researchrepository.napier.ac.uk/Output/1149555 |
Contract Date | Apr 11, 2018 |
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Quantifying the relative effect of environmental contamination on surgical ward MRSA incidence: An exploratory analysis
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http://creativecommons.org/licenses/by-nc-nd/4.0/
Copyright Statement
C. 2018 The Author(s). Published by Elsevier B.V. on behalf of Australasian College for Infection Prevention and Control. This is an
open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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