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Overweight or obese BMI is associated with earlier, but not later survival after common acute illnesses

Overview of attention for article published in BMC Geriatrics, February 2018
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Title
Overweight or obese BMI is associated with earlier, but not later survival after common acute illnesses
Published in
BMC Geriatrics, February 2018
DOI 10.1186/s12877-018-0726-2
Pubmed ID
Authors

Hallie C. Prescott, Virginia W. Chang

Abstract

Obesity has been associated with improved short-term mortality following common acute illness, but its relationship with longer-term mortality is unknown. Observational study of U.S. Health and Retirement Study (HRS) participants with federal health insurance (fee-for-service Medicare) coverage, hospitalized with congestive heart failure (N = 4287), pneumonia (N = 4182), or acute myocardial infarction (N = 2001), 1996-2012. Using cox proportional hazards models, we examined the association between overweight or obese BMI (BMI ≥ 25.0 kg/m2) and mortality to 5 years after hospital admission, adjusted for potential confounders measured at the same time as BMI, including age, race, sex, education, partnership status, income, wealth, and smoking status. Body mass index (BMI) was calculated from self-reported height and weight collected at the HRS survey prior to hospitalization (a median 1.1 year prior to hospitalization). The referent group was patients with a normal BMI (18.5 to < 25.0 kg/m2). Patients were a median of 79 years old (IQR 71-85 years). The majority of patients were overweight or obese: 60.3% hospitalized for heart failure, 51.5% for pneumonia, and 61.6% for acute myocardial infarction. Overweight or obese BMI was associated with lower mortality at 1 year after hospitalization for congestive heart failure, pneumonia, and acute myocardial infarction-with adjusted hazard ratios of 0.68 (95% CI 0.59-0.79), 0.74 (95% CI: 0.64-0.84), and 0.65 (95%CI: 0.53-0.80), respectively. Among participants who lived to one year, however, subsequent survival was similar between patients with normal versus overweight/obese BMI. In older Americans, overweight or obese BMI was associated with improved survival following hospitalization for congestive heart failure, pneumonia, and acute myocardial infarction. This association, however, is limited to the shorter-term. Conditional on surviving to one year, we did not observe a survival advantage associated with excess weight.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 54 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 54 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 7 13%
Researcher 7 13%
Student > Bachelor 5 9%
Student > Doctoral Student 5 9%
Student > Ph. D. Student 3 6%
Other 6 11%
Unknown 21 39%
Readers by discipline Count As %
Medicine and Dentistry 19 35%
Nursing and Health Professions 3 6%
Social Sciences 2 4%
Agricultural and Biological Sciences 1 2%
Psychology 1 2%
Other 5 9%
Unknown 23 43%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 March 2022.
All research outputs
#15,691,910
of 23,317,888 outputs
Outputs from BMC Geriatrics
#2,414
of 3,312 outputs
Outputs of similar age
#269,870
of 438,907 outputs
Outputs of similar age from BMC Geriatrics
#66
of 73 outputs
Altmetric has tracked 23,317,888 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,312 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.4. This one is in the 20th percentile – i.e., 20% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 438,907 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 73 others from the same source and published within six weeks on either side of this one. This one is in the 6th percentile – i.e., 6% of its contemporaries scored the same or lower than it.