Development of pediatric comorbidity prediction model

Archives of Pediatrics & Adolescent Medicine
Derek TaiJames G Wright

Abstract

To develop a comorbidity model for children that can be used with hospital discharge administrative databases. Retrospective study using administrative data obtained from the Canadian Institute for Health Information Discharge Abstract Database and the Deaths File to develop a logistic regression model. Hosmer-Lemeshow chi2 test was used to examine model fit. The C statistic was used to assess model discrimination. Bootstrapping was used to determine the stability of regression coefficients. We used linked administrative databases to compile 339,077 hospital discharge abstracts from April 1, 1991, through March 31, 2002. Children between ages 1 and 14 years in Ontario, Canada. Death within 1 year of hospital discharge. The 27-variable pediatric comorbidity model predicted 1-year mortality with a C statistic of 0.83 in the Ontario data set from which it was derived. The presence of brain cancer (odds ratio, 76.38 [95% confidence interval, 53.40-109.27]) at hospital admission was the strongest predictor, followed by diabetes insipidus (odds ratio, 39.23 [95% confidence interval, 20.75-74.17]). Using clinical judgment and empirical modeling strategies, we were able to identify 27 diagnoses highly predictive of death for children b...Continue Reading

Citations

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