Surveillance for the detection of nosocomial infections end the potential for nosocomial outbreaks II. Development of a laboratory-based system

Susan M. Parkhurst, Martin J. Blaser, Linda B. Laxson, Wen Lan L. Wang

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We describe the development of a surveillance system that uses thresholds for detecting nosocomial infections and the potential for nosocomial outbreaks.based on data from microbiology laboratory records at our hospital from 1980 to 1982. These records were monitored weekly to determine the number of positive isolates by the identity of the organism and by the site of the culture. A mean of 225 specimens was processed weekly, with 60 of these yielding bacteria or fungi. The average number of organisms isolated per positive culture was 1.46. Two methods of establishing thresholds were compared, one based on percentiles of ranked isolates, the other based on the mean plus intervals of standard error. The system using thresholds established fished by the standard error method was consistently more useful to highlight weeks for which there was high risk of a problem occurring in less time than were the surveillance techniques traditionally employed.

Original languageEnglish (US)
Pages (from-to)7-15
Number of pages9
JournalAJIC: American Journal of Infection Control
Volume13
Issue number1
DOIs
StatePublished - Feb 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Health Policy
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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