Association between C-reactive protein and sarcopenia: The National Health and Nutrition Examination Survey
2024

C-reactive protein and sarcopenia in US adults

Sample size: 3710 publication 10 minutes Evidence: moderate

Author Information

Author(s): Li Yang, Zhang Zhi-Wen

Primary Institution: Affiliated Hospital of Hubei University of Chinese Medicine

Hypothesis

Is there an association between C-reactive protein levels and sarcopenia among the general adult population in the USA?

Conclusion

Higher C-reactive protein levels are associated with an increased risk of sarcopenia among US adults.

Supporting Evidence

  • Among the 3710 participants, 352 (9.5%) displayed characteristics of sarcopenia.
  • Participants in the highest quartile of CRP had an adjusted odds ratio for sarcopenia of 2.74.
  • CRP levels showed a nonlinear association with sarcopenia.

Takeaway

This study found that higher levels of a protein called C-reactive protein can mean a higher chance of having a condition called sarcopenia, which is when muscles get weak and small.

Methodology

This cross-sectional study analyzed data from the 2015 to 2018 National Health and Nutrition Examination Survey, focusing on the relationship between CRP levels and sarcopenia using multivariable logistic regression.

Potential Biases

Potential residual confounding factors may not have been fully accounted for.

Limitations

The study is limited to the US population, and the cross-sectional design does not allow for causal inferences.

Participant Demographics

Participants had an average age of 39.4 years, with 48.5% being men.

Statistical Information

P-Value

<0.001

Confidence Interval

1.65–4.57

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1097/MD.0000000000041052

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication