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*[Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
*[Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
==Race==
*Some Native American groups have higher prevalence rates (5-6%) and black persons from the Caribbean region have lower prevalence rates. First-degree relatives prevalence rate is 2-3% and disease genetic concordance in [[Twin#Identical twins|monozygotic twins]] is approximately 12-15% compared to 3.5% in [[Dizygotic twins]].<ref name="pmid3820198">{{cite journal |author=Aho K, Koskenvuo M, Tuominen J, Kaprio J |title=Occurrence of rheumatoid arthritis in a nationwide series of twins |journal=[[The Journal of Rheumatology]] |volume=13 |issue=5 |pages=899–902 |year=1986 |month=October |pmid=3820198 |doi= |url= |accessdate=2012-04-25}}</ref>
*It is strongly associated with the inherited tissue type [[Major histocompatibility complex]] (MHC) class II antigen [[Human leukocyte antigen|HLA]]-DR4 (most specifically DR0401 and 0404) — hence family history is an important risk factor.<ref name="pmid21125177">{{cite journal |author=Arias MV, Domingues EV, Lozano RB, Flores CV, Peralta MM, Salinas CZ |title=Study of class I and II HLA alleles in 30 ecuadorian patients with rheumatoid arthritis compared with alleles from healthy and affected subjects with other rheumatic diseases |journal=[[Revista Brasileira De Reumatologia]] |volume=50 |issue=4 |pages=423–33 |year=2010 |month=August |pmid=21125177 |doi= |url=http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0482-50042010000400007&lng=en&nrm=iso&tlng=en |accessdate=2012-04-25}}</ref>


==References==
==References==

Revision as of 16:11, 9 April 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2] Aarti Narayan, M.B.B.S [3]

Overview

Epidemiology and Demographics

Incidence

  • The incidence of rheumatoid arthritis is approximately 40 per 100,000 individuals worldwide.[1]

Prevalence

  • The prevalence of rheumatoid arthritis is approximately 1 percent in Caucasians per 100,000 individuals worldwide.

Case-fatality rate/Mortality rate

  • In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate/mortality rate of [number range]%.
  • The case-fatality rate/mortality rate of [disease name] is approximately [number range].

Age

  • Patients of all age groups may develop rheumatoid arthritis .
  • The peak onset of disease is between the age of  50 and 75 years.

Race

  • Rheumatoid arthritis usually affects individuals of the Native American groups.
  • Black persons from the Caribbean region individuals are less likely to develop rheumatoid arthritis .

Gender

  • Women are three times more commonly affected by rheumatoid arthritis than men.[2]

Region

  • The majority of [disease name] cases are reported in [geographical region].
  • [Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].

References

  1. ↑ Myasoedova E, Crowson CS, Kremers HM, Therneau TM, Gabriel SE (2010). "Is the incidence of rheumatoid arthritis rising?: results from Olmsted County, Minnesota, 1955-2007". Arthritis and Rheumatism. 62 (6): 1576–82. doi:10.1002/art.27425. PMC 2929692. PMID 20191579. Retrieved 2012-04-25. Unknown parameter |month= ignored (help)
  2. ↑ Helmick CG, Felson DT, Lawrence RC; et al. (2008). "Estimates of the prevalence of arthritis and other rheumatic conditions in the United States. Part I". Arthritis and Rheumatism. 58 (1): 15–25. doi:10.1002/art.23177. PMID 18163481. Retrieved 2012-04-25. Unknown parameter |month= ignored (help)

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