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Volume 13, Number 6—June 2007

Perspective

Economic Evaluation and Catheter-related Bloodstream Infections

Kate Halton*†Comments to Author  and Nicholas Graves*†
Author affiliations: *The Centre for Healthcare Related Infection Surveillance and Prevention, Brisbane, Queensland, Australia; †Queensland University of Technology, Brisbane, Queensland, Australia

Main Article

Table 5

Variation between economic evaluations in baseline parameter estimates*

Baseline parameters No. times identified as key parameter No. different estimates Minimum estimate Maximum estimate Median estimate
Epidemiologic
  Incidence of CR-BSI 6/8 8/8 3.1% 8.0% 5.3%
  Effectiveness of the intervention 6/8 Will vary according to intervention
  Attributable mortality 2/7 5/7 5% 15% 14%
  Incidence of localized insertion site infection 0/5 4/5 5% 50% 20%
Cost
  Cost of CR-BSI 6/8 6/8 US $2,820 US $13,000 US $10,531
  Cost of localized insertion site infection 0/5 3/5 US $195 US $435 US $280
  Cost of intervention 2/8 Will vary according to intervention
  Cost of other complications 1/3 Will vary according to complications considered

*All cost estimates adjusted to 2005 US dollars. Values for parameters are the baseline estimate used in the model (the same patterns of variation were observed with the ranges used for sensitivity analysis). CR-BSI, catheter-related bloodstream infections.

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