Abstract Number: 1318 • 2014 ACR/ARHP Annual Meeting
Illness Onset Features and Misdiagnosis in Juvenile Idiopathic Inflammatory Myopathies (JIIM) Differ Among Clinical and Autoantibody (Ab) Subgroups
Background/Purpose: To evaluate features of JIIM clinical and Ab subgroups at illness onset. Methods: Physician-completed questionnaires illness onset features were reviewed in 465 JIIM pts…