Comparison between IIM subgroups showed a higher % of Siglec-1 positive CD14+ cells in DM vs NSM/OM/ASyS (P = 0.019) and higher Siglec-1 rMFI in DM vs IMNM (P = 0.029), and not between other subgroups (Fig. 2B). Here, CD14 is linked to dermatomyositis.