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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Semin Arthritis Rheum. 2013 Dec 18;43(6):792–796. doi: 10.1016/j.semarthrit.2013.12.005

Table 2.

Demographics and myositis subtypes of myositis-MG overlap patients.

Patient # Age at onset Sex Race B&P Criteria diagnosis Myositis-antibody Other autoimmune diseases
1 75 F C Definite DM Anti-P155/140 +
2 44 M AA Definite PM - −
3 54 M C Definite PM - −
4 38 F C Definite DM Anti-PM/Scl +
5 61 M C Definite PM* - +
6 24 F C Definite PM - +

C=Caucasian, AA=African-American, B&P= Bohan and Peter.

*

The muscle biopsy showed perifascicular atrophy, which is more consistent with DM; however, the patient had no rash.