Prevalence of sporadic inclusion body myositis in Western Australia
- PMID: 10842277
- DOI: 10.1002/(sici)1097-4598(200006)23:6<970::aid-mus20>3.0.co;2-i
Prevalence of sporadic inclusion body myositis in Western Australia
Abstract
A 10-year retrospective review was conducted to ascertain the prevalence of inclusion body myositis (IBM) in Western Australia. Seventeen patients with sporadic IBM aged 45-90 years were identified and the prevalence of IBM was calculated to be 9.3 x 10(-6). The prevalence was higher in men (10.9 x 10(-6)) than in women (7.7 x 10(-6)). The mean age of onset of IBM was 56.6 years, and the mean delay between onset of symptoms and diagnosis was 4.4 years. The age-adjusted prevalence over the age of 50 years was 35.3 x 10(-6). The results suggest a higher prevalence of IBM than has previously been reported.
Copyright 2000 John Wiley & Sons, Inc.
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