1.21. Analysis.
Comparison 1 Abatacept (2 mg/kg and 10 mg/kg) + DMARDs/biologic versus placebo + DMARDs/biologic, Outcome 21 Tender joint count.
Comparison 1 Abatacept (2 mg/kg and 10 mg/kg) + DMARDs/biologic versus placebo + DMARDs/biologic, Outcome 21 Tender joint count.