Table 2 Comparison between baseline categorical variables and serum soluble CD163 levels in patients with polymyositis/dermatomyositis-related interstitial lung disease

Male/female

814 (300–1572)/822 (305–2759)

Current or former smoker/never smoker

791 (300–2758)/834 (305–2512)

CADM/others

730 (305–1750)/862 (300–2759)

Fever, yes/no

1009 (428–2512)/742 (300–2759)

Cough, yes/no

806 (426–1572)/826 (300–2759)

Dyspnea, yes/no

814 (428–2759)/822 (300–1572)

Muscle pain or weakness, yes/no

862 (300–2759)/730 (305–1750)

Rash typical of DM, yes/no

789 (300–2759)/1124 (814–1213)

Raynaud’s phenomenon, yes/no

593 (426–1137)/822 (300–2759)

Arthralgia, yes/no

1124 (305–2512)/773 (300–2759)

Anti-MDA5 antibody, positive/negative

887 (495–2512)/778 (300–2759)