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Persistence with biologic therapy: adalimumab, etanercept and infliximab.
Notes: First year: Eta vs. Ada p=0.69; Eta vs. Inf p=0.007; Ada vs. Inf p=0.32. Second year: Eta vs. Ada p<0.001; Eta vs. Inf p=0.002; Ada vs. Inf p=0.54. Third year: Eta vs. Ada p=0.008; Eta vs. Inf p=0.014; Ada vs. Inf p=0.88. Fourth year: Eta vs. Ada p=0.002; Eta vs. Inf p=0.031; Ada vs. Inf p=0.62.
Abbreviations: Eta, etanercept; Ada, adalimumab; Inf, infliximab.
