Figure 6From: Seven-year follow-up of infliximab therapy in rheumatoid arthritis patients with severe long-standing refractory disease: attrition rate and evolution of disease activityDisease activity score in 28 joints (DAS28) over time in patients enrolled and remaining on infliximab at seven years or discontinuing during the observation period. Circle with flags = mean and standard error of DAS 28. ESR: erythrocyte sedimentation rate; IFX: infliximab.Back to article page