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Published on: May 30, 2025
Length of hospital stays among obese individuals
Claire Zizza1, Amy H Herring, June Stevens
1Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, 27599-7590, USA. claire_zizza@unc.edu
Objectives:
We examined lengths of hospital stay among individuals categorized according to weight status.
Methods:
We used data from the First National Health and Nutrition Examination Survey Epidemiologic Followup Survey to estimate length-of-stay differences.
Results:
Individuals with body mass indexes (BMIs) of 35 kg/m2 or above, those with BMIs of 30 to 34 kg/m2, and those with BMIs of 25 to 29 kg/m2 had crude length-of-stay rates greater than those of normal-weight individuals. Association between BMI and length of stay varied over time.
Conclusions:
Obese individuals experience longer hospital stays than normal-weight individuals.
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