Fig. 1

Demographic and phenotypes. Patients from nine countries were registered. Fifty-three patients (90%) were diagnosed with IBM, 17 patients were (29%) with PDB, and eight patients (14%) were with dementia. 1: Two patients were also with peripheral neuropathy. 2: One patient was also diagnosed with cataract and another patient was diagnosed with ALS, cataract, and peripheral neuropathy. 3: Four patients were diagnosed with IBM and cardiomyopathy. One patient was diagnosed with IBM and peripheral neuropathy. Another patient was diagnosed with IBM, peripheral neuropathy, and cataracts. Another patient was diagnosed with IBM and cataracts. Another patient had IBM and Parkinson’s disease. The other patient was diagnosed with IBM, ALS, and peripheral neuropathy. IBM inclusion body myopathy, PDB Paget’s disease of bone, ALS amyotrophic lateral sclerosis