Spondyloarthritis & psoriatic arthritis
Incidence of Psoriatic Arthritis in a Primary Care Psoriasis Population in the United Kingdom
Authors' conclusion
The estimated annual incidence of PsA over a 2-year period was 2.20/100 PYs, which is in keeping with studies including clinical assessment rather than relying on health records alone.
Study context
- Population
- People with psoriasis (PsO) identified in UK primary care, Enhanced Surveillance arm of TUDOR, prevalent psoriatic arthritis (PsA) at baseline excluded511 at 12-month screen
- Primary endpoint
- Annual incidence of PsA
- Follow-up
- 2 years
Methodological detailsmulticentre, prospective, 2-arm parallel-group, cluster randomised
- Multicentre
- Prospective
- 2-arm parallel-group
- Cluster randomised
Primary result
As reported in the abstract
Incidence of PsA over 2 years (combined)
Combined incidence over 2 years
2.20/100 PYs
95% CI 1.27–3.13
Further findings
Incidence of PsA at 12 months
- Participants attending 12-month screen who developed PsA
- 14 of 511
- Incidence
- 2.74/100 patient-years (PYs) (95% CI 1.32-4.16)
Incidence of PsA at 24 months
- Participants attending 24-month visit who developed PsA
- 7/444
- Incidence
- 1.58/100 PYs (95% CI 0.42-2.74)
Original publication
Incidence of Psoriatic Arthritis in a Primary Care Psoriasis Population in the United Kingdom. J Rheumatol. Published 1 September 2024. doi:10.
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