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Construct validity of acute morbidity as a novel outcome for emergency patients

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  • Fabrizia Schmid
  • Alexandra Malinovska
  • Karin Weigel
  • Tito Bosia
  • Christian H Nickel
  • Roland Bingisser

Abstract

Objectives: Validation of acute morbidity as a novel outcome in emergency medicine. Methods: Construct validity of acute morbidity was established by comparison to other outcomes using linear and logistic regression models. Results: Data of 4608 patients were analysed. 1869 patients (40.6%) fulfilled the criteria for acute morbidity. Using multivariate analyses, acute morbidity was associated with outcomes such as hospitalisation (OR: 11, 95%-CI 9–13), mortality (OR 15, 95%-CI 6–49), and ICU admission (OR: 46, 95%-CI 25–96). Reliability of the construct “acute morbidity” was estimated using Cohens Kappa, which was 0.96 for intra-rater and 0.94 for inter-rater reliability. Conclusion: Reliability of the framework for acute morbidity was high. Construct validity was shown by associations with hospitalisation, mortality, and ICU admission.

Suggested Citation

  • Fabrizia Schmid & Alexandra Malinovska & Karin Weigel & Tito Bosia & Christian H Nickel & Roland Bingisser, 2019. "Construct validity of acute morbidity as a novel outcome for emergency patients," PLOS ONE, Public Library of Science, vol. 14(1), pages 1-10, January.
    • Handle: RePEc:plo:pone00:0207906
    DOI: 10.1371/journal.pone.0207906
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    1. Mushlin, A.I. & Appel, F.A., 1976. "Extramedical factors in the decision to hospitalize medical patients," American Journal of Public Health, American Public Health Association, vol. 66(2), pages 170-172.
    2. Tarun Mehra & Christian Thomas Benedikt Müller & Jörk Volbracht & Burkhardt Seifert & Rudolf Moos, 2015. "Predictors of High Profit and High Deficit Outliers under SwissDRG of a Tertiary Care Center," PLOS ONE, Public Library of Science, vol. 10(10), pages 1-18, October.
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