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A competing risk analysis for hospital length of stay in patients with burns.


ABSTRACT: Current outcome predictors for illness and injury are measured at a single time point-admission. However, patient prognosis often changes during hospitalization, limiting the usefulness of those predictions. Accurate depiction of the dynamic interaction between competing events during hospitalization may enable real-time outcome assessment.To determine how the effects of burn outcome predictors (ie, age, total body surface area burn, and inhalation injury) and the outcomes of interest (ie, mortality and length of stay) vary as a function of time throughout hospitalization.In this retrospective study, we used the American Burn Association's National Burn Repository, containing outcomes and patient and injury characteristics, to identify 95?579 patients admitted with an acute burn injury to 80 tertiary American Burn Association burn centers from 2000 through 2009. We applied competing risk statistical methods to analyze patient outcomes.We estimated the cause-specific hazard rates for death and discharge to assess how the instantaneous risk of these events changed across time. We further evaluated the varying effects of patient age, total body surface area burn, and inhalation injury on the probability of discharge and death across time.Maximum length of stay among patients who died was 270 days and 731 days among those discharged. Total body surface area, age, and inhalation injury had significant effects on the subdistribution hazard for discharge (P?

SUBMITTER: Taylor SL 

PROVIDER: S-EPMC4968081 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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A competing risk analysis for hospital length of stay in patients with burns.

Taylor Sandra L SL   Sen Soman S   Greenhalgh David G DG   Lawless MaryBeth M   Curri Terese T   Palmieri Tina L TL  

JAMA surgery 20150501 5


<h4>Importance</h4>Current outcome predictors for illness and injury are measured at a single time point-admission. However, patient prognosis often changes during hospitalization, limiting the usefulness of those predictions. Accurate depiction of the dynamic interaction between competing events during hospitalization may enable real-time outcome assessment.<h4>Objective</h4>To determine how the effects of burn outcome predictors (ie, age, total body surface area burn, and inhalation injury) an  ...[more]

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