The DAD Resource Intensity Weights and Expected Length of Stay document provides an explanation of the ELOS calculation and the RIW calculation for typical and atypical acute care inpatient cases. Included in this documentation are tables containing the base ELOS, Trim Points and RIW value for each CMG and age group combination. In addition to the base set of values, the effect of the five CMG+ factors—age, comorbidity level, flagged interventions, intervention events and out-of-hospital (OOH) interventions—are reviewed along with a discussion of the activity and cost data sources used for the production of the ELOS and RIW.


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