Baseline characteristics of the study cohort.
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JIA: juvenile idiopathic arthritis; TNF: tumor necrosis factorMethotrexate group included patients with JIA who used methotrexate without TNF inhibitors.TNF inhibitor group included patients with JIA who received TNF inhibitors, irrespective of methotrexate use; 104 patients (93.7%) previously or currently used methotrexate.Unexposed group included patients with JIA who never received methotrexate or a TNF inhibitor.Baseline characteristics of the study cohort.
创建时间：
2015-12-03
