title: Prevalence of juvenile idiopathic arthritis in Sharkia Governorate, Egypt: epidemiological study.
abstract: Our objective was to determine the prevalence juvenile idiopathic arthritis (JIA) in Sharkia Governorate, Egypt. Population-based study was performed to identify the prevalence of JIA in Sharkia Governorate, Egypt, between November 2009 and November 2010. Prevalence of JIA was 3.43 per 100,000 (95 % CI 3.1-4.3). Prevalence in boys was 2.58 per 100,000 (95 % CI 2.4-3.6) and in girls 4.33 per 100,000 (95 % CI 3.3-5.1). Uveitis presented in 19.7 % of cases, antinuclear antibody in 48.5 %, and rheumatoid factor in 27.2 %. Oligoarthritis representing 52.2 % of the total population, and enthesitis-related arthritis presented only in 6 patients. No cases of undifferentiated arthritis or psoriatic arthritis were found. This is the first epidemiological study of JIA in Sharkia, Egypt. Oligoarthritis was the most common subtype.
authors.affiliation: Rheumatology and Rehabilitation Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
authors.forename: Amany M
authors.initials: AM
authors.lastname: Abou El-Soud
authors.forename: Amany R
authors.initials: AR
authors.lastname: El-Najjar
authors.forename: Eman E
authors.initials: EE
authors.lastname: El-Shahawy
authors.forename: Hanan A
authors.initials: HA
authors.lastname: Amar
authors.forename: Tamer H
authors.initials: TH
authors.lastname: Hassan
authors.forename: Somia H
authors.initials: SH
authors.lastname: Abd-Allaha
authors.forename: Hosnia M
authors.initials: HM
authors.lastname: Ragab
mesh_terms: D000293:Adolescent; D000974:Antibodies, Antinuclear / Q000097:blood; D001171:Arthritis, Juvenile / Q000453:epidemiology* / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D004534:Egypt / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012727:Sex Characteristics
chemical_list: D000974:Antibodies, Antinuclear