What question did this study set out to answer?

Assess variations in length of stay (LOS) with hospitalist care versus other physicians based on hospital and patient characteristics.

Effect of Hospitalists on Length of Stay in the Medicare Population: Variation According to Hospital and Patient Characteristics

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Retrospective cohort study investigates length of stay variations in Medicare admissions, indicating hospitalist care benefits.

Assess variations in length of stay (LOS) with hospitalist care versus other physicians based on hospital and patient characteristics.
Conducted a retrospective cohort study using a 5% national sample of Medicare data.
Analyzed 1,981,654 hospital admissions over a span of five years (2001-2006).
Controlled for multiple patient and hospital characteristics in the analyses.
LOS differences associated with hospitalist care increased from 0.02 days in 2001/02 to 0.35 days in 2005/06.
Greater LOS differences observed in older patients and those with higher DRG weights.
Differences in LOS were three times greater for medical DRGs compared to surgical DRGs, with greater impacts in nonprofit and community hospitals.

Kuo et al. (2010) studied this question.

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