Fig. 2

Proportion of patients who achieved a ACR20, b ACR50, and c ACR70 improvement responses at weeks 12, 24, and 52. *p < 0.05, **p < 0.01, ***p < 0.001 Cochran-Mantel-Haenszel test stratified by prior biologic use and weight (< 55 kg, ≥ 55 kg) versus placebo at week 24. Patients were considered nonresponders from the time they started rescue medication or discontinued study medication. Primary endpoint was the proportion of patients achieving ACR20 response at week 24. ACR20/50/70 American College of Rheumatology 20%/50%/70% improvement criteria, MTX methotrexate, q2w every 2 weeks, SE standard error