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HLA-B27 Prevalence in Arab Populations and Among Patients with Ankylosing Spondylitis.
MedLine Citation:
PMID:  22753660     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To investigate prevalence of HLA-B27 among general Arab populations and among patients with ankylosing spondylitis (AS), and to review published data. METHODS: The prevalence of HLA-B27 was studied among 2579 unrelated healthy Jordanians, almost equally divided among Palestinian refugees and natives of Jordan, reflecting the general population of Jordan. The prevalence of HLA-B27 was also studied among 129 patients with AS, 70 from Jordan, and the remaining 59 from Qatar. HLA typing was performed by standard 2-stage micro-lymphocytotoxicity method. We also reviewed published English language studies of HLA-B27 in Arab patients with AS and general populations retrieved through Medline and cross-reference search. RESULTS: We observed that the general prevalence of HLA-B27 among Jordanians is 2.4%; while the reported prevalence ranges between 2% and 5% among major Arab populations. The prevalence of HLA-B27 among patients with AS is 71% in Jordan and 73% in Qatar, while the reported prevalence from pooled published data from various Arab populations is 64%. CONCLUSION: From these data one can conclude that HLA-B27 is present in about 2% to 5% among major Arab populations and that its prevalence in Arab patients with AS is closer to 70%.
Khader N Mustafa; Mohammed Hammoudeh; Muhammad Asim Khan
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-1
Journal Detail:
Title:  The Journal of rheumatology     Volume:  -     ISSN:  0315-162X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7501984     Medline TA:  J Rheumatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
From the University of Jordan, Division of Rheumatology, Department of Internal Medicine, Jordan University Hospital, Amman, Jordan; Rheumatology Unit, Department of Internal Medicine, Hamad Medical Corporation, Doha, Qatar; and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.
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