A nationwide cross-sectional overview of patients with rheumatoid arthritis followed in outpatient specialty clinics in Finland

References

• Current care guidelines on rheumatoid arthritis [in Finnish]. Working Group set up by the Finnish Medical Society Duodecim and the Finnish Society for Rheumatology. Helsinki: The Finnish Medical Society Duodecim, 2009. Available from: www.kaypahoito.fi (accessed 20 March 2013).
   Google Scholar
• Möttönen T, Hannonen P, Leirisalo-Repo M, Nissilä M, Kautiainen H, Korpela M, et al. Comparison of combination therapy with single-drug therapy in early rheumatoid arthritis: a randomised trial. FIN-RACo trial group. Lancet 1999;353:1568–73.
   PubMed Web of Science ®Google Scholar
• Smolen JS. A simplified disease activity index for rheumatoid arthritis for use in clinical practice. Rheumatology 2003;42:244–57.
   PubMed Web of Science ®Google Scholar
• Prevoo ML, van ’t Hof MA, Kuper HH, van Leeuwen MA, van de Putte LB, van Riel PL. Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis. Arthritis Rheum 1995;38:44–8.
   PubMed Web of Science ®Google Scholar
• Aletaha D, Nell VP, Stamm T, Uffmann M, Pflugbeil S, Machold K, . Acute phase reactants add little to composite disease activity indices for rheumatoid arthritis: validation of a clinical activity score. Arthritis Res Ther 2005;7:R796–806.
   PubMed Web of Science ®Google Scholar
• Zink A, Strangfeld A, Schneider M, Herzer P, Hierse F, Stoyanova-Scholz M, . Effectiveness of tumor necrosis factor inhibitors in rheumatoid arthritis in an observational cohort study: comparison of patients according to their eligibility for major randomized clinical trials. Arthritis Rheum 2006;54:3399–407.
   PubMed Web of Science ®Google Scholar
• Felson DT, Smolen JS, Wells G, Zhang B, van Tuyl LH, Funovits J, . American College of Rheumatology/European League Against Rheumatism provisional definition of remission in rheumatoid arthritis for clinical trials. Ann Rheum Dis 2011;70:404–13.
   PubMed Web of Science ®Google Scholar
• Sokka T, Toloza S, Cutolo M, Kautiainen H, Makinen H, Gogus F, . Women, men, and rheumatoid arthritis: analyses of disease activity, disease characteristics, and treatments in the QUEST-RA study. Arthritis Res Ther 2009;11:R7.
   PubMed Web of Science ®Google Scholar
• Sokka T, Kautiainen H, Toloza S, Mäkinen H, Verstappen SM, Lund Hetland M, . QUEST-RA: quantitative clinical assessment of patients with rheumatoid arthritis seen in standard rheumatology care in 15 countries. Ann Rheum Dis 2007;66:1491–6.
   PubMed Web of Science ®Google Scholar
• Neovius M, Simard JF, Askling J. Nationwide prevalence of rheumatoid arthritis and penetration of disease-modifying drugs in Sweden. Ann Rheum Dis 2011;70:624–9.
   PubMed Web of Science ®Google Scholar
• Symmons D, Turner G, Webb R, Asten P, Barrett E, Lunt M, . The prevalence of rheumatoid arthritis in the United Kingdom: new estimates for a new century. Rheumatology 2002;41:793–800.
   PubMed Web of Science ®Google Scholar
• Sokka T, Kautiainen H, Pincus T, Toloza S, da Rocha Castelar Pinheiro G, Lazovskis J, . Disparities in rheumatoid arthritis disease activity according to gross domestic product in 25 countries in the QUEST-RA database. Ann Rheum Dis 2009;68:1666–72.
   PubMed Web of Science ®Google Scholar
• Sokka T, Haugeberg G, Asikainen J, Widding Hansen IJ, Kokko A, Rannio T, . Similar clinical outcomes in rheumatoid arthritis with more versus less expensive treatment strategies. Observational data from two rheumatology clinics. Clin Exp Rheumatol 2013;31:409–14.
   PubMed Web of Science ®Google Scholar
• Rantalaiho V, Kautiainen H, Virta L, Korpela M, Möttönen T, Puolakka K. Trends in treatment strategies and the usage of different disease-modifying anti-rheumatic drugs in early rheumatoid arthritis in Finland. Results from a nationwide register in 2000-2007. Scand J Rheumatol 2011;40:16–21.
   PubMed Web of Science ®Google Scholar
• Aaltonen KJ, Virkki LM, Malmivaara A, Konttinen YT, Nordström DC, Blom M. Systematic review and meta-analysis of the efficacy and safety of existing TNF blocking agents in treatment of rheumatoid arthritis. PLoS One 2012;7:e30275.
   PubMed Web of Science ®Google Scholar