The dermatomyositis patients complicated by ILD had a high incidence of fever(87.5%) and cough(62.5%) and a higher positive rate of serum autoantibodies to Jo 1(57.1%),RNP(42.9%) and ANA(57.1%) compared with dermatomyositis patient without ILD.

• 皮肌炎合并肺间质病变患者发热、咳嗽发生率高；分别为87.；5%25、62