Biomarkers · Inflammation

Rheumatoid Factor

Lower values go with lower risk of death. No risk curve catalogued yet.

Published risk of death1.47×RF-positive vs RF-negative (age- and sex-adjusted) (95% CI 1.19–1.80) · Population-based cardiovascular cohort, study visits 1974-84, followed through 2005; 140 of 11,872 RF-positive

What else moves this marker

They describe those study groups, not an individual, and an association is not a cause.

Diseases and conditions

Each row is one study: what it compared and the change it reported in this marker.
What	Effect on the marker	Comparison · population	Source
↑ Rheumatoid arthritis-associated interstitial lung disease · RF titre in RA patients with ILD vs RA without ILD	+183.62 IU/mL (95% CI 66.94 to 300.3)	RA-ILD vs RA without ILD · 1887 RA-ILD vs 8066 RA without ILD, 22 articles	meta analysis · PMID 37352174

Sources

Tomasson et al. Effect of rheumatoid factor on mortality and coronary heart disease. Annals of the rheumatic diseases. 2010;69:1649-54.