Spondyloarthritis & psoriatic arthritis
Epidemiological Characteristics of Psoriatic Disease in Peru From 2016 to 2023
Authors' conclusion
PsO and PsA IRs are rising in Peru, with notable demographic and regional variation.
Study context
- Population
- Peruvian healthcare system, nationwide SUSALUD records 2016–2023, public and private sectors
- Participants
- 195,866 vs 6,786
- Comparison
- PsO vs PsA
- PsOn = 195,866
- PsAn = 6,786
- Primary endpoint
- Incidence rate of psoriatic disease (PsO and PsA), crude and age- and sex-standardized, per 100,000 PY
- Follow-up
- 2016-2023
Methodological detailsnationwide population-based incidence study, nationwide records, public and private sectors
- Nationwide population-based incidence study
- Nationwide records
- Public and private sectors
Primary result
As reported in the abstract
Overall incidence rate per 100,000 PY
Further findings
- PsO incidence by age: peak in adults aged ≥ 65 years
- 300.46 · incidence rate (IR) · per 100,000 person-years (PY)
PsO incidence by sex (male vs female)
- PsO IR in males
- 130.04
- PsO IR in females
- 76.94
- Per 100,000 PY
PsA age and sex distribution
- Bimodal age distribution: early peak at 40-44 years, later higher peak at 60-64 years
- Balanced sex distribution
Regional disparities
- Lima-Callao highest rates; Macro Central region lowest
Original publication
Epidemiological Characteristics of Psoriatic Disease in Peru From 2016 to 2023. J Rheumatol. Published 1 May 2026. doi:10.
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