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Hand Hygiene Noncompliance and the Cost of Hospital-Acquired Methicillin-Resistant Staphylococcus aureus Infection

Published online by Cambridge University Press:  02 January 2015

Keith L. Cummings ,
Deverick J. Anderson  and
Keith S. Kaye
Keith L. Cummings*
Affiliation:
Department of Medicine, Duke University Medical Center, Durham, North Carolina
Deverick J. Anderson
Affiliation:
Department of Medicine, Duke University Medical Center, Durham, North Carolina
Keith S. Kaye
Affiliation:
Department of Medicine, Wayne State University, Detroit Medical Center, Detroit, Michigan
*
3990 John R, Detroit, MI 27710 ([email protected])
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Abstract

Background.

Hand hygiene noncompliance is a major cause of nosocomial infection. Nosocomial infection cost data exist, but the effect of hand hygiene noncompliance is unknown.

Objective.

To estimate methicillin-resistant Staphylococcus aureus (MRSA)-related cost of an incident of hand hygiene noncompliance by a healthcare worker during patient care.

Design.

Two models were created to simulate sequential patient contacts by a hand hygiene-noncompliant healthcare worker. Model 1 involved encounters with patients of unknown MRSA status. Model 2 involved an encounter with an MRSA-colonized patient followed by an encounter with a patient of unknown MRSA status. The probability of new MRSA infection for the second patient was calculated using published data. A simulation of 1 million noncompliant events was performed. Total costs of resulting infections were aggregated and amortized over all events.

Setting.

Duke University Medical Center, a 750-bed tertiary medical center in Durham, North Carolina.

Results.

Model 1 was associated with 42 MRSA infections (infection rate, 0.0042%). Mean infection cost was $47,092 (95% confidence interval [CI], $26,040–$68,146); mean cost per noncompliant event was $1.98 (95% CI, $0.91–$3.04). Model 2 was associated with 980 MRSA infections (0.098%). Mean infection cost was $53,598 (95% CI, $50,098–$57,097); mean cost per noncompliant event was $52.53 (95% CI, $47.73–$57.32). A 200-bed hospital incurs $1,779,283 in annual MRSA infection-related expenses attributable to hand hygiene noncompliance. A 1.0% increase in hand hygiene compliance resulted in annual savings of $39,650 to a 200-bed hospital.

Conclusions.

Hand hygiene noncompliance is associated with significant attributable hospital costs. Minimal improvements in compliance lead to substantial savings.

Type
Original Articles
Information
Infection Control & Hospital Epidemiology , Volume 31 , Issue 4 , April 2010 , pp. 357 - 364
Copyright
Copyright © The Society for Healthcare Epidemiology of America 2010

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