High Eotaxin Levels Linked to Less Joint Damage in Early Rheumatoid Arthritis
Author Information
Author(s): Syversen Silje W, Goll Guro L, Haavardsholm Espen A, Bøyesen Pernille, Lea Tor, Kvien Tore K
Primary Institution: Diakonhjemmet Hospital, Oslo, Norway
Hypothesis
Are high serum levels of eotaxin predictive of less radiographic progression in early rheumatoid arthritis patients?
Conclusion
High serum levels of eotaxin are associated with less radiographic progression in early rheumatoid arthritis patients.
Supporting Evidence
- 49% of patients developed radiographic progression during the study.
- Baseline eotaxin levels were significantly lower in patients with progression.
- Eotaxin was negatively associated with radiographic progression in both univariate and multivariate analyses.
- An increase of 50 pg/ml in eotaxin level corresponded to a 42% decrease in the odds of progression.
- The accuracy of the model to predict progression was 71%.
Takeaway
If you have high levels of a protein called eotaxin in your blood, it might mean your joints won't get worse as quickly if you have early rheumatoid arthritis.
Methodology
84 early RA patients were followed for 12 months with clinical assessments, X-rays, and cytokine analyses.
Potential Biases
The study was observational and treatment was based on clinical judgment, which may introduce bias.
Limitations
The 1-year follow-up may be insufficient to reveal associations with other biomarkers, and the findings could be due to multiple testing or confounding factors.
Participant Demographics
Median age was 58 years, with 77.4% female participants.
Statistical Information
P-Value
0.007
Confidence Interval
0.41 to 0.82
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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