ILD studied in 679 inflammatory idiopathic myositis (IIM) pts; 508 had ILD (found in 93% amyopathic DM, 74% DM & 55% PM). Prevalence of of ILD was higher with antisynthetase Ab + and MDA-5 Ab +. Mortality higher in MDA5+ASA--IM-ILD group (33% vs 12=17%) https://t.co/ATz3wYmFuf