Journal Article

Predicting Bacteremia at the Bedside

Fabián Jaimes, Clara Arango, Giovanni Ruiz, Jorge Cuervo, Juan Botero, Gloria Vélez, Natalia Upegui and Faber Machado

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 38, issue 3, pages 357-362
Published in print February 2004 | ISSN: 1058-4838
Published online February 2004 | e-ISSN: 1537-6591 | DOI:
Predicting Bacteremia at the Bedside

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  • Infectious Diseases
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Our aim was to develop a clinical prediction rule for detection of bacteremia in a cohort of patients observed prospectively at a reference center in Medellín, Colombia. The significant predictors of bacteremia were an age of ⩾30 years (odds ratio [OR], 2.07; 95% confidence interval [CI], 1.19–3.60), a heart rate of ⩾90 beats/min (OR, 1.90; 95% CI, 1.13–3.17), a temperature of ⩾37.8°C (OR, 2.42; 95% CI, 1.41–4.14), a leukocyte count of ⩾12,000 cells/µL (OR, 2.40; 95% CI, 1.41–4.10), use of a central venous catheter (OR, 1.89; 95% CI, 1.02–3.50), and a length of hospitalization of ⩾10 days (OR, 2.02; 95% CI, 1.25–3.24). The Hosmer-Lemeshow test revealed a goodness-of-fit of 2.99 (P = .981), and the area under the receiver operating characteristics curve was 0.7186. Simple variables obtained from the clinical history of patients are associated with bloodstream infection in a reproducible fashion and should be instrumental for prioritizing the requests for blood cultures by clinicians.

Journal Article.  3823 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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