Respiratory Symptoms and Frailty
Author Information
Author(s): Ruan Zhishen, Li Dan, Cong Xiaodong, Yuan Shasha, Fan Yiling, Xu Bo, Miao Qing
Primary Institution: Xiyuan Hospital of Chinese Academy of Chinese Medical Sciences, Beijing, China
Hypothesis
What is the relationship between respiratory symptoms and frailty?
Conclusion
The study found a potential association between frailty and respiratory symptoms, with inflammation and aging as key mediators.
Supporting Evidence
- Cough, sputum, wheezing, and dyspnea are associated with an elevated risk of frailty.
- Inflammation and age mediate the relationship between respiratory symptoms and frailty.
- 32.3% of participants were found to be frail.
Takeaway
If you have trouble breathing, like coughing or wheezing, it might mean you're getting weaker as you get older.
Methodology
The study used cross-sectional and Mendelian randomization analyses with data from NHANES and GWAS.
Potential Biases
Potential bias from self-reported diagnoses of respiratory symptoms and frailty.
Limitations
Self-reported data may introduce bias, and the study's observational design limits causal inference.
Participant Demographics
Participants were aged 40 and older, with a mean age of 61.2 years; 51.6% were white and 49.5% were male.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI% 1.44, 2.09 for cough; 95% CI% 1.57, 2.22 for sputum; 95% CI% 1.68, 2.40 for wheezing; 95% CI% 2.28, 2.97 for dyspnea
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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