An overview of the injury severity score and the new injury severity score

Mark Stevenson, M. Segui-Gomez, I. Lescohier, C. Di Scala, G. McDonald-Smith

Research output: Contribution to journalArticlepeer-review

Abstract

Objective - The research was undertaken to describe the injury severity score (ISS) and the new injury severity score (NISS) and to illustrate their statistical properties. Design - Descriptive analysis and assessment of the distribution of these scales. Methods - Three data sources - the National Pediatric Trauma Registry; the Massachusetts Uniform Hospital Discharge Data Set; and a trauma registry from an urban level I trauma center in Massachusetts - were used to describe the distribution of the ISS and NISS among injured patients. Results - The ISS/NISS was found to have a positively skewed distribution and transformation did not improve their skewness. Conclusion - The findings suggest that for statistical or analytical purposes the ISS/ NISS should not be considered a continuous variable, particularly if ISS/NISS is treated as a continuous variable for correlation with an outcome measure.

Original languageEnglish (US)
Pages (from-to)10-13
Number of pages4
JournalInjury Prevention
Volume7
Issue number1
DOIs
StatePublished - Mar 2001
Externally publishedYes

Keywords

  • Injury severity score
  • New injury severity score
  • Trauma

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Pediatrics, Perinatology, and Child Health

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