Figure 2.

Early rheumatoid arthritis: disease activity. Changes in total Sharp score (TSS) by disease activity states, as classified by the simplified disease activity index. IFX, infliximab; MTX, methotrexate; NS, not significant. Modified from [51].

Smolen and Emery Arthritis Research & Therapy 2011 13(Suppl 1):S2   doi:10.1186/1478-6354-13-S1-S2