Men and women with raised levels of an antibody known as rheumatoid factor in their blood have up to a 26-fold greater long term risk of developing rheumatoid arthritis, finds a study published on bmj ...

When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...

September 7, 2012 — Elevated rheumatoid factor (RF) levels in healthy patients may be a strong predictor of future rheumatoid arthritis (RA), according to data from a prospective cohort study ...

More than 18 million people worldwide suffer from rheumatoid arthritis, including nearly 1.5 million Americans.

Please provide your email address to receive an email when new articles are posted on . “In recent years, several studies suggested that RA with positive [rheumatoid factor (RF)] and/or ...

This press release is also available in Swedish. Rheumatoid arthritis (RA), like many chronic diseases of the immune system, likely results from a combination of genetic susceptibility and ...

Objectives Female sex and anticitrullinated protein antibodies (ACPA) are associated with higher disease activity in ...