Infections as a predominant cause of death in adult patients with idiopathic inflammatory myopathies.

Objectives: To evaluate causes of death in the single-centre Polish cohort of patients with idiopathic inflammatory myopathies (IIM) and to identify risk factors associated with fatal outcomes.

Methods: Electronic medical database was retrospectively analysed, data on the clinical symptoms, serological profiles, administered treatment and outcomes in IIM patients were collected. Two subgroups were distinguished - the deceased and the survived group.