Key result
Being in the lowest body mass index quintile was associated with a higher risk of hospitalization compared to the middle quintile (RR 1.22; 95% CI 1.1-1.4).
Why the study?
Does body mass index predict the risk of hospitalization in noninstitutionalized elderly individuals?
Population
8,754 noninstitutionalized individuals aged 65 to 100 without cancer at baseline and with available data on…
Comparison
Body mass index categorized by quintiles and by… vs Middle BMI quintile or normal BMI.
Design
Cohort
Follow-up
20,464 person-years of observation
Authors
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Low BMI associated with higher hospitalization risk in elderly; hypothesis-generating and should not yet change practice.
Cohort (n=8,754)
Does body mass index predict the risk of hospitalization in noninstitutionalized elderly individuals?
Relative Risk: 1.22 (95% CI 1.1–1.4)
BMI is not a strong predictor of hospitalization for most individuals aged 75 and older, although extremes of BMI are associated with higher risk in those aged 65 to 75.
Luchsinger et al. (2003) reported a cohort. Lowest body mass index (BMI) quintile vs. Middle BMI quintile was evaluated on Risk of hospitalization (RR 1.22, 95% CI 1.1-1.4). Being in the lowest body mass index quintile was associated with a higher risk of hospitalization compared to the middle quintile (RR 1.22; 95% CI 1.1-1.4).
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