Prevalence of Elbow Joint Arthritis and Enthesitis in Rheumatoid Arthritis.

The prevalence of elbow arthritis in RA seems to be high, with 35.29%. Movement restriction is a good indicator, but not in all RA patients (32 vs. 70 patients without MR) compared to the control group (5 vs. 45 patients without MR). Reported pain correlates with joint effusion and MR (p-value ≤ 0.001).