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A Two-Compartment Mixed-Effects Gamma Regression Model for Quantifying Between-Unit Variability in Length of Stay among Children Admitted to Intensive Care

Straney, Lahn; Alexander, Jan; Slater, Anthony; Clements, Archie


Objective To quantify between-unit variability in mean length of stay (LoS) between intensive care units (ICUs) after adjusting for differences in case mix using a method that does not require arbitrary trimming of data. Setting An analysis of registry data from pediatric ICUs (PICUs) in Australia and New Zealand. Study Design The relationships between patient LoS and associated patient factors were modeled as a log-linear function of the covariates using two gamma distributions. The predicted...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Health Services Research
DOI: 10.1111/j.1475-6773.2012.01421.x


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