CRP and interstitial lung disease: After excluding MDA5 patients, the rates of RP-ILD (P=0.005), ILD (P<0.001), cough or dyspnea (P=0.001), cardiac involvement (P=0.029), the numbness in the extremities (P=0.028), the NLR (P=0.001), PLR (P=0.001), and the levels of ferritin (P=0.003), CRP (P=0.025), NSE (P=0.002), and CYFRA21 (P<0.001) in the CADM-MDA5− group were still higher than those in the CDM-MDA5− group.