Joel Bobula

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During this study, we investigated the extent to which diagnosis-related group (DRG) relative weights based exclusively on charge data differ from DRG weights constructed according to the methodology used in deriving the original relative weights for the Medicare prospective payment system (PPS). The PPS operating cost weights were based on a combination of(More)
INTRODUCTION We evaluate the association between caregiver (informal) time/cost and illness severity from two recently completed clinical trials of an investigational drug for Alzheimer's disease (AD). METHODS Changes from baseline caregiver time were calculated and treatment effects analyzed using a restricted maximum likelihood-based mixed model for(More)
BACKGROUND There has been an increasing interest in the relationship between severity of disease and costs in the care of people with dementia. Much of the current evidence is based on cross-sectional data, suggesting the need to examine trends over time for this important and growing cohort of the population. METHODS This paper estimates resource use and(More)
Development of a scale to quantify the severity of functional disabilities associated with dementia is described. The Functional Dementia Scale (FDS) is designed for use by caretakers of disabled elderly. It contains 20 items in three subscales: activities of daily living, orientation, and affect. Cronbach's alpha coefficient of internal consistency for the(More)
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