Spondyloarthritis & psoriatic arthritis
The worldwide prevalence of psoriatic arthritis—a systematic review and meta-analysis
Authors' conclusion
There is wide variability between continents, and data in some geographical areas are sparse, but available evidence suggests that PsA is more common in Europe and North America compared with Asia and South America, and current best estimates suggest a global prevalence of 112 per 100 000 adults.
Study context
- Population
- Adult general population worldwide30 studies
- Comparison
- Population-based studies vs Health administrative studies
- Population-based studiesn = >92,000
- Health administrative studiesn = >180 million
- Outcome
- Prevalence of PsA in the adult general population worldwide
Methodological detailspopulation-based and health administrative studies analysed separately, continent-specific estimates, Four electronic databases systematically searched; half of studies from Europe (n = 15)
- Population-based and health administrative studies analysed separately
- Continent-specific estimates
- Four electronic databases systematically searched; half of studies from Europe (n = 15)
Pooled result
As reported in the abstract
- Worldwide prevalence of PsA, per 100 000 adults
- 112
Further pooled results
Prevalence of PsA by study design, per 100 000
Europe Population-based studies 207 · Health administrative studies 175
North America Population-based studies 64 · Health administrative studies 147
Asia Population-based studies 37 · Health administrative studies 78
South America Health administrative studies 17
Original publication
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