DRG Epidemiology's coverage of psoriatic arthritis comprises epidemiological estimates of key patient populations across 45 countries worldwide. We report the prevalence of PsA for each country, as well as annualized case counts projected to the national population.

Most patient populations are forecast over a period of 20 years for the major mature pharmaceutical markets and 10 years for the other countries covered in this report.

DRG Epidemiology's PsA forecast will answer the following questions:

  • How many people, regardless of diagnosis status, have PsA?
  • How will demographic trends, such as population aging and improving life expectancy, affect the epidemiology of PsA over the forecast period?

All forecast data are available on the DRG Insights Platform in tabular format, with options to download to MS Excel. All populations are accompanied by a comprehensive description of the methods and data sources used, with hyperlinks to external sources. A summary evidence table generated as part of our systematic review of the epidemiological literature is also provided for full transparency into research and methods.

DRG Epidemiology provides at least ten years of forecast data for the following PsA patient populations:

  • Total prevalent PsA.
  • Diagnosed prevalent PsA.
  • Diagnosed prevalent PsA by drug-treatment status.
  • Diagnosed prevalent PsA by joint involvement status.

Note: Coverage may vary by country and region.

Table of contents

  • Psoriatic Arthritis - Epidemiology - Asia-Pacific
    • Introduction
      • Key Findings
      • Key Updates
      • Prevalence of Psoriatic Arthritis per 1,000 Among People Aged 15+ in 2019 and 2029
      • Relative Sizes of the Contributing Factors to the Trend in Prevalent Cases of Psoriatic Arthritis Over the Next 10 Years
    • Epidemiology Data
    • Methods
      • Total Prevalent Cases
      • Diagnosed Prevalent Cases
      • Diagnosed Drug-Treated Prevalent Cases
      • Total Prevalent Cases by Joint Involvement
    • Reference Materials
      • Literature Review
        • Studies Included in the Analysis of Psoriatic Arthritis
        • Studies Excluded from the Analysis of Psoriatic Arthritis
      • Risk/Protective Factors
        • Risk/Protective Factors for Psoriatic Arthritis
      • Bibliography

    Author(s): T.J. Arndt, MPH, CPH; Nicole Zhang, MPH

    T.J. joined Decision Resources Group in 2018 as an entry-level epidemiologist and previously worked in basic sciences research academia.

    T.J. earned his Masters in Public Health from the University of Florida, where he conducted an internship focused on developing a clinical model to non-invasively screen for Non-Alcoholic Steatohepatitis (NASH). He also holds a B.S. in Microbiology & Cell Science and a B.A. in Spanish, both from the University of Florida. During his undergraduate and graduate career, he worked in two physiology-based research labs at the University of Florida, focusing on maternal and fetal stresses during pregnancy and parturition.

    Nicole Zhang is an Epidemiologist at Decision Resources Group. She focuses on the epidemiology of oncology and cardiovascular disorders.

    She holds an M.P.H. from Tufts Medical School where she specialized in epidemiology and biostatistics. She also holds a B.A. in Chemistry and Statistics from Mount Holyoke College. Prior to joining Decision Resources, she worked as a research analyst at Massachusetts General Hospital where she independently managed data from food information survey conducted in Chelsea, MA. She has also worked at Massachusetts Department of Public Health where she conducted secondary research in the fields of gestational diabetes.


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