{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,17]],"date-time":"2025-10-17T00:20:05Z","timestamp":1760660405414,"version":"build-2065373602"},"reference-count":10,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2010,8,17]],"date-time":"2010-08-17T00:00:00Z","timestamp":1282003200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Hospital Medicine"],"published-print":{"date-parts":[[2010,11]]},"abstract":"Abstract<\/jats:title>BACKGROUND:<\/jats:title>While the impact of hospitalists on length of stay (LOS) for inpatient medicine services has been studied, there has been little work on the impact of hospitalist involvement in short\u2010stay or observation units.<\/jats:p><\/jats:sec>OBJECTIVE:<\/jats:title>The primary objective was to examine the impact of a hospitalist\u2010run observation unit on LOS. The secondary objective was to assess utilization of the unit through examining case\u2010weight and LOS.<\/jats:p><\/jats:sec>DESIGN:<\/jats:title>Retrospective cohort study with a preimplementation\/postimplementation analysis.<\/jats:p><\/jats:sec>SETTING:<\/jats:title>University Hospital, the 604\u2010bed teaching hospital for Bexar County, San Antonio, Texas.<\/jats:p><\/jats:sec>PATIENTS:<\/jats:title>All patients discharged from the inpatient medicine and observation units with diagnoses of chest pain, asthma, syncope, cellulitis, and pyelonephritis.<\/jats:p><\/jats:sec>INTERVENTION:<\/jats:title>Creation of a hospitalist\u2010run, nonteaching, 10\u2010bed \u201cClinical Decision Unit\u201d (CDU).<\/jats:p><\/jats:sec>MEASUREMENTS:<\/jats:title>The overall LOS of the \u201ctop 5\u201d most common diagnoses was compared for the 12 months preimplementation and postimplementation of the unit.<\/jats:p><\/jats:sec>RESULTS:<\/jats:title>The overall LOS for all patients decreased from 2.4 to 2.2 days (P<\/jats:italic> = 0.05) between the 12 months preimplementation and postimplementation. The greatest decreases were seen for cellulitis (2.4\u20101.9 days; P<\/jats:italic> < 0.001) and asthma (2.2\u20101.2 days; P<\/jats:italic> < 0.001).<\/jats:p><\/jats:sec>CONCLUSIONS:<\/jats:title>Implementation of a hospitalist\u2010run observation unit was associated with a significantly decreased LOS for all patients regardless of location, suggesting that the unit has led to more efficient care. 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