Nosocomial Methicillin-Resistant and Methicillin-SusceptibleStaphylococcus AureusPrimary Bacteremia: At What Costs?
- 1 June 1999
- journal article
- research article
- Published by Cambridge University Press (CUP) in Infection Control & Hospital Epidemiology
- Vol. 20 (6), 408-411
- https://doi.org/10.1086/501641
Abstract
Objective: To determine the attributable hospital stay and costs for nosocomial methicillin-sensitive Staphylococcus aureus (MSSA) and methicillin-resistantS aureus(MRSA) primary bloodstream infections (BSIs).Design: Pairwise-matched (1:1) nested case-control study.Setting: University-based tertiary-care medical center.Patients: Patients admitted between December 1993 and March 1995 were eligible. Cases were defined as patients with a primary nosocomialS aureusBSI; controls were selected according to a priori matching criteria.Measurements: Length of hospital stay and total and variable direct costs of hospitalization.Results: The median hospital stay attributable to primary nosocomial MSSA BSI was 4 days, compared with 12 days for MRSA (P=.023). Attributable median total cost for MSSA primary nosocomial BSIs was $9,661 versus $27,083 for MRSA nosocomial infections (P=.043).Conclusion: Nosocomial primary BSI due toS aureussignificantly prolongs the hospital stay. Primary nosocomial BSIs due to MRSA result in an approximate threefold increase in direct cost, compared with those due to MSSA.Keywords
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