Mortality risk for patients who experienced a first myocardial infarction between 1 July 2001 and 30 June 2007. *Spondyloarthritis group includes ankylosing spondylitis, psoriatic arthritis, enteropathic arthritis and undifferentiated spondyloarthritis. Reference group is patients without autoimmune rheumatic disease (AIRD) or AIRD subgroup. For each AIRD subgroup, patients were excluded from the reference group if they had any other AIRD type. Adjusted for age, sex, Socio-Economic Indexes for Areas, Index of Relative Socio-economic Disadvantage, Accessibility/Remoteness Index of Australia high accessibility, individual Charlson comorbidities, smoking, hypertension and hypercholesterolaemia. ^95% CI, 95% confidence interval.