Estimating the extra charges and prolongation of hospitalization due to nosocomial infections: A comparison of methods

R. W. Haley, D. R. Schaberg, S. D. Von Allmen, J. E. McGowan

Research output: Contribution to journalArticle

157 Scopus citations

Abstract

Estimates of the economic consequences of nosocomial infections were derived by studying thesame patient population with two different methods: physician's assessment and comparisons of patients with nosocomial infection and those without, mathced on five characteristics. Estimates of extra days and extra routine charges obtained by the comparison were about 2 1/2 times greater than those obtained by the physician's assessment (P<0.0001). Even when the match of patients was exact and measures were taken to avoid confounding, patients with nosocomial infection had more discharge diagnoses recorded (P=0.02) and experienced more episodes of pulmonary embolism, renal failure, and death in the hospital than did their counterparts. These differences suggest that despite careful matching, the members of the pairs were not comparable in their intrinsic predisposition to prolonged hospitalization. Unless patients can be matched on this predisposition, the estimates from a comparison study will be exaggerated.

Original languageEnglish (US)
Pages (from-to)248-257
Number of pages10
JournalJournal of Infectious Diseases
Volume141
Issue number2
DOIs
StatePublished - Jan 1 1980

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

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