Vasculitis & polymyalgia rheumatica
Incidence and Prevalence of Polymyalgia Rheumatica and Giant Cell Arteritis in a Healthcare Management Organization in Buenos Aires, Argentina
Authors' conclusion
This is the first study of incidence and prevalence of PMR and GCA in Argentina. There were similarities and differences with cohorts from other parts of the world
Study context
- Population
- Members (age ≥ 50 yrs) of the Hospital Italiano Medical Care Program, Buenos Aires, Argentina, with continuous affiliation ≥ 1 year, January 2000 to December 20151,046,620 person-years (PY)
- Participants
- 176,558 members
- Exposure
- Women vs Men
- Outcome
- Incidence and prevalence of PMR (2012 EULAR/ACR criteria) and GCA (ACR 1990 criteria)
Methodological detailsuniversity hospital-based health management organization, age ≥ 50 yrs
- University hospital-based health management organization
- Age ≥ 50 yrs
Main finding
As reported in the abstract
- PMR incident cases
- 825
- PMR IR overall
- 78.8 (95% CI 73.4-84.2)
- PMR IR women
- 90.1 (95% CI 82.9-97.2)
- PMR IR men
- 58.9 (95% CI 51.1-66.6)
- Giant cell arteritis (GCA) incident cases
- 90
- GCA IR overall
- 8.6 (95% CI 6.8-10.4)
- GCA IR women
- 11.1 (95% CI 8.5-10.6)
- GCA IR men (2.2-6.3)
- 4.2
Observational data: associations, not effects.
Further findings
Prevalence of PMR and GCA (per 100,000) on January 1, 2015
- Population for prevalence
- 80,335
- Prevalent PMR cases
- 205
- Prevalent GCA cases
- 23
- PMR prevalence overall
- 255 (95% CI 220-290)
- PMR prevalence women
- 280 (95% CI 234-325)
- PMR prevalence men
- 209 (95% CI 150-262)
- GCA prevalence overall
- 28.6 (95% CI 16.9-40.3)
- GCA prevalence women
- 36.4 (95% CI 20.1-52.8)
- GCA prevalence men
- 14.2 (95% CI 0.3-28.1)
Original publication
Incidence and Prevalence of Polymyalgia Rheumatica and Giant Cell Arteritis in a Healthcare Management Organization in Buenos Aires, Argentina. J Rheumatol. Published 1 September 2022. doi:10.
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