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Epidemiology and outcome of nosocomial and community-onset bloodstream infection
Journal article   Open access   Peer reviewed

Epidemiology and outcome of nosocomial and community-onset bloodstream infection

D J Diekema, S E Beekmann, K C Chapin, K A Morel, E Munson and G V Doern
Journal of clinical microbiology, Vol.41(8), pp.3655-3660
08/2003
DOI: 10.1128/JCM.41.8.3655-3660.2003
PMCID: PMC179863
PMID: 12904371
url
https://doi.org/10.1128/JCM.41.8.3655-3660.2003View
Published (Version of record) Open Access

Abstract

We performed a prospective study of bloodstream infection to determine factors independently associated with mortality. Between February 1999 and July 2000, 929 consecutive episodes of bloodstream infection at two tertiary care centers were studied. An ICD-9-based Charlson Index was used to adjust for underlying illness. Crude mortality was 24% (14% for community-onset versus 34% for nosocomial bloodstream infections). Mortality attributed to the bloodstream infection was 17% overall (10% for community-onset versus 23% for nosocomial bloodstream infections). Multivariate logistic regression revealed the independent associations with in-hospital mortality to be as follows: nosocomial acquisition (odds ratio [OR] 2.6, P < 0.0001), hypotension (OR 2.6, P < 0.0001), absence of a febrile response (P = 0.003), tachypnea (OR 1.9, P = 0.001), leukopenia or leukocytosis (total white blood cell count of <4500 or >20000, P = 0.003), presence of a central venous catheter (OR 2.0, P = 0.0002), and presence of anaerobic organism (OR 2.5, P = 0.04). Even after adjustments were made for underlying illness and length of stay, nosocomial status of bloodstream infection was strongly associated with increased total hospital charges (P < 0.0001). Although accounting for about half of all bloodstream infections, nosocomial bloodstream infections account for most of the mortality and costs associated with bloodstream infection.
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