Retrospective study of 603 myositis (IIM), 4047 RA and 4061 controls shows IIM has higher risk of CV events (HR 1.38) and MI [HR 1.61] but not CVA [HR 0.92]. The CV risk in IIM was equal to that in RA [HR 1.01]. IIM CV risk only present 1st 5 years https://t.co/EyD3GHv2YY