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B. Cassim, G. Mody and D. Rubin (1990)

The prevalence of diffuse idiopathic skeletal hyperostosis in African blacks

British Journal of Rheumatology, 29(2):131-132.

The prevalence of diffuse idiopathic skeletal hyperostosis (DISH) was studied in a hospital based population of African Blacks over the age of 40 years. The study was based on an analysis of the lateral chest radiographs of 1000 patients in a retrospective study and 500 consecutive medical admissions in a prospective study. The overall prevalence of DISH was 3.9\% (males 3.8\% and females 4.2\%). There was a rise in the prevalence of DISH with increasing age from 1\% in the 40-49 year age group to 13.6\% in those over 70 years. The prevalence of diabetes was 52.4\% in the 21 patients with DISH who were seen in the prospective analysis. Ankylosing spondylitis, which is associated with HLA-B27, is rare in African Blacks. However, DISH is not uncommon but its prevalence is lower than in a similar hospital based study of Jews in Israel.

Age Factors, Male, Spinal Osteophytosis, African Continental Ancestry Group, Prospective Studies, Prevalence, Middle Aged, Diffuse Idiopathic Skeletal, South Africa, humans, Hyperostosis, Adult, Female, Diabetes Mellitus, Aged, Retrospective Studies
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