Impact of hepatitis C virus infection on disease activity, functional status and ultrasonography findings in Egyptian rheumatoid arthritis patients

Concomitant HCV infection in RA patients had an impact on disease activity. RA patients with concomitant HCV infection (RA/HCV) had higher DAS28 and MHAQ scores, with higher US7 synovitis scores compared to RA patients. US7 score is a valuable objective tool for the assessment of RA disease activity.