Figure 1From: Etanercept versus etanercept plus methotrexate: a registry-based study suggesting that the combination is clinically more efficaciousDisease activity score (28-joint count-based disease activity score [DAS28]) (mean ± standard error of the mean [SEM]) in patients with rheumatoid arthritis treated with etanercept with or without methotrexate (MTX). At 3 months, a significant difference is seen between the two groups (by unpaired Student t test).Back to article page