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Updated: Jun 6, 2025
10:13
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
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Cognitive Functioning Influences Mortality Risk Among Older Adults with COPD
Srikanta Banerjee1, Jagdish Khubchandani2, Elizabeth England-Kennedy2
1College of Health Sciences, Walden University, Minneapolis, MN 55401, USA.
Healthcare (Basel, Switzerland)
|November 27, 2024
Summary
Cognitive impairment significantly increases mortality risk in older adults with Chronic Obstructive Pulmonary Disease (COPD). Combined COPD and low cognitive performance showed the highest mortality risk, highlighting a critical dual health challenge.
Area of Science:
- Gerontology
- Pulmonology
- Neurology
Background:
- Chronic Obstructive Pulmonary Disease (COPD) is a major cause of death in the U.S.
- Cognitive impairment is linked to increased mortality but is understudied in COPD patients.
- Understanding this comorbidity is crucial for managing COPD outcomes.
Purpose of the Study:
- To investigate the association between low cognitive performance and mortality risk in older adults with COPD.
- To adjust for key sociodemographic and health factors in this nationwide study.
Main Methods:
- Utilized data from the 1999-2002 National Health and Nutrition Examination Survey (NHANES).
- Analyzed respiratory mortality data for noninstitutionalized U.S. adults over 65.
- Employed Kaplan-Meier survival analysis to assess survival curves.
Main Results:
- The study included 2013 older adults; 39.1% had low cognitive performance, 12.7% had COPD.
- Individuals with both COPD and low cognitive performance had the highest adjusted hazard ratio for respiratory mortality (8.53).
- COPD alone increased mortality risk (hazard ratio = 4.92), while low cognitive performance alone did not significantly increase risk.
Conclusions:
- Cognitive impairment exacerbates mortality risk in older adults with COPD.
- Addresses a dual chronic health challenge requiring targeted strategies.
- Provides critical insights for clinical practice and public health interventions.
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