Inclusion body myositis
MM Dimachkie, RJ Barohn - Neurologic clinics, 2014 - neurologic.theclinics.com
Inclusion body myositis (IBM) is a rare sporadic disorder with a male/female ratio of 2: 1 to 3:
1. Data on prevalence and incidence of IBM vary depending on methodology, countries, and
regions. In Western Australia, the overall prevalence was 9.3 per million, whereas the age-
adjusted prevalence of IBM in people more than the age of 50 years is 3.5 per 100,000,
making it the most common idiopathic inflammatory myopathy (IIM) in this age group. 1 A
recent study from South Australia yielded a higher overall prevalence rate of 51 per million …
1. Data on prevalence and incidence of IBM vary depending on methodology, countries, and
regions. In Western Australia, the overall prevalence was 9.3 per million, whereas the age-
adjusted prevalence of IBM in people more than the age of 50 years is 3.5 per 100,000,
making it the most common idiopathic inflammatory myopathy (IIM) in this age group. 1 A
recent study from South Australia yielded a higher overall prevalence rate of 51 per million …