Why the study?
What is the relationship between body mass index and long-term all-cause mortality in patients with heart failure in primary care?
What is the relationship between body mass index and long-term all-cause mortality in patients with heart failure in primary care?
In primary care heart failure patients, BMI has a U-shaped relationship with mortality, highlighting underweight patients as the highest risk group.
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May prompt closer surveillance of underweight primary care HF patients; extends observational data but leaves causal effects and practice change open.
Jones et al. (2023) studied this question.
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