title: Use of statistical analysis in open extension studies.
authors.forename: Yusuf
authors.initials: Y
authors.lastname: Yazici
authors.forename: Hasan
authors.initials: H
authors.lastname: Yazici
mesh_terms: D018501:Antirheumatic Agents / Q000009:adverse effects*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000503:physiopathology; D003627:Data Interpretation, Statistical; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D000068800:Etanercept; D007074:Immunoglobulin G / Q000009:adverse effects; D008727:Methotrexate / Q000627:therapeutic use; D010352:Patient Dropouts / Q000706:statistics & numerical data*; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic; D018124:Receptors, Tumor Necrosis Factor; D012107:Research Design; D012219:Rheumatology / Q000379:methods*; D016896:Treatment Outcome
chemical_list: D018501:Antirheumatic Agents; D007074:Immunoglobulin G; D018124:Receptors, Tumor Necrosis Factor; D000068800:Etanercept; D008727:Methotrexate