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Forest-plot of country-specific ORs and overall OR for clinical remission at 12 months in TNFi and csDMARD co-medication compared with TNFi monotherapy. Adjusted for baseline age, sex, calendar year, DAS28 and disease duration. Data from Romania are not presented separately due to <5 patients with monotherapy. csDMARDs, conventional synthetic disease-modifying anti-rheumatic drugs; DAS28, Disease Activity Score with 28 joints; TNFi, tumour necrosis factor inhibitors.
