Rheumatoid Factor Definition

Rheumatoid Factor Sentence Examples

• Autoantibody levels -- especially rheumatoid factor -- appear to correlate with rheumatoid arthritis disease severity.

• Although initial rheumatoid factor titre is of prognostic significance, serial measurements are not useful in assessing progress.

• Tests for rheumatoid factor are positive on two occasions at least two months apart.

• Specific diagnostic tests for autoimmune diseases and viruses (CMV, EBV, and rheumatoid factor or RF) may be performed.

• Some of these children test positive for a marker present in other autoimmune disorders, called rheumatoid factor (RF), which is found in adults who have rheumatoid arthritis.