Badley E, DesMeules M (2003) Introduction. In: Badley E, DesMeules M, eds. Arthritis in Canada: an ongoing challenge. Ottawa, Canada: Health Canada. http://www.lupuscanada.org/english/resources/pdfs/Arthritis-in-Canada-Health-Canada.pdf. Accessed 13 September 2013.
Symmons D, Turner G, Webb R et al (2002) The prevalence of rheumatoid arthritis in the United Kingdom: new estimates for a new century. Rheumatology (Oxford) 41:793–800
Helmick CG, Felson DT, Lawrence RC et al (2008) Estimates of the prevalence of arthritis and other rheumatic conditions in the United States. Part I. Arthritis Rheum 58:15–25
Wong R, Davis AM, Badley E, Grewal R, Mohammed M (2010) Prevalence of arthritis and rheumatic diseases around the world: a growing burden and implications for health care needs. In: Models in Care in Arthritis, Bone & Joint Disease (MOCA) http://www.modelsofcare.ca/pdf/10-02.pdf. Accessed 13 September 2013.
Alamanos Y, Voulgari PV, Drosos AA (2006) Incidence and prevalence of rheumatoid arthritis, based on the 1987 American College of Rheumatology criteria: a systematic review. Semin Arthritis Rheum 36:182–188
Filipovic I, Walker D, Forster F, Curry AS (2011) Quantifying the economic burden of productivity loss in rheumatoid arthritis. Rheumatology (Oxford) 50:1083–1090
Sokka T, Kautiainen H, Pincus T et al (2010) Work disability remains a major problem in rheumatoid arthritis in the 2000s: data from 32 countries in the QUEST-RA study. Arthritis Res Ther 12:R42
Pugner KM, Scott DI, Holmes JW, Hieke K (2000) The costs of rheumatoid arthritis: an international long-term view. Semin Arthritis Rheum 29:305–320
Centers for Disease Control and Prevention (2011) Arthritis-related statistics. Atlanta, GA, USA: CDC. http://www.cdc.gov/arthritis/data_statistics/arthritis_related_stats.htm. Accessed 13 September 2013.
Birnbaum HG, Pike C, Banerjee R, Waldman T, Cifaldi M (2012) Changes in utilization and costs for patients with rheumatoid arthritis, 1997 to 2006. PharmacoEconomics 30:323–336
Kawatkar AA, Jacobsen SJ, Levy GD, Medhekar SS, Venkatasubramaniam KV, Herrinton LJ (2012) Direct medical expenditure associated with rheumatoid arthritis in a nationally representative sample from the medical expenditure panel survey. Arthritis Care and Research 64:1649–1656
Kleinman NL, Cifaldi MA, Smeeding JE, Shaw JW, Brook RA (2013) Annual incremental health benefit costs and absenteeism among employees with and without rheumatoid arthritis. Journal of Occupational & Environmental Medicine 55:240–244
Simons WR, Rosenblatt LC, Trivedi DN (2012) The economic consequences of rheumatoid arthritis: analysis of Medical Expenditure Panel Survey 2004, 2005, and 2006 data. Journal of Occupational & Environmental Medicine 54:48–55
Poole CD, Currie CJ, Holden S, Singh A (2012) Impact of disease severity on the total, health-related, financial costs of treatment of people with rheumatoid arthritis in the United Kingdom. Presented at: 17th Annual International Meeting of the International Society for Pharmacoeconomics and Outcomes Research, ISPOR; 2-6 June 2012; Washington, DC, USA. Value Health 15:A36–A37
National Collaborating Centre for Chronic Conditions (2009) Rheumatoid arthritis: national clinical guideline for management and treatment in adults [Internet]. London, UK: Royal College of Physicians. http://www.nice.org.uk/nicemedia/live/12131/43326/43326.pdf. Accessed 13 September 2013.
Singh JA, Saag KG, Bridges SL et al (2016) 2015 American College of Rheumatology guideline for the treatment of rheumatoid arthritis. Arthritis Rheumatol 68:1–26
Donahue KE, Jonas DE, Hansen RA et al (2012) Drug therapy for rheumatoid arthritis in adults: an update. Rockville, MD, USA: Agency for Healthcare Research and Quality. http://www.ncbi.nlm.nih.gov/books/NBK97388/. Accessed 13 September 2013.
Centre for Reviews and Dissemination (2009) Systematic reviews: CRD’s guidance for undertaking reviews in health care. York, UK: University of York. http://www.york.ac.uk/inst/crd/SysRev/!SSL!/WebHelp/SysRev3.htm. Accessed 1 April 2014.
Higgins JP, Altman DG, Gotzsche PC, Juni P, Moher D, Oxman AD et al (2011) The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials. Br Med J 343:d5928
Higgins JPT, Green S, eds- (2011) Cochrane handbook for systematic reviews of interventions. Version 5.1.0 [updated March 2011]: The Cochrane Collaboration. http://www.cochrane-handbook.org/. Accessed 1 April 2014.
Hoaglin D, Hawkins N, Jansen J, Scott D, Itzler R, Cappelleri J et al (2011) Conducting indirect treatment comparison and network meta-analysis studies: report of the ISPOR task force on indirect treatment comparisons: part 2. Value Health 14:429–437
Song F, Altman DG, Glenny A-M, Deeks JJ (2003) Validity of indirect comparison for estimating efficacy of competing interventions: empirical evidence from published meta-analyses. Br Med J 326:472
Tvete IF, Natvig B, Gasemyr J, Meland N, Roine M, Klemp M (2015) Comparing effects of biologic agents in treating patients with rheumatoid arthritis: a multiple treatment comparison regression analysis. PLoS One 10:e0137258