The top 10 most useful genes to differentiate biopsy samples using the recursive feature elimination technique on the support vector machine model
| NT | DM | AS | IBM | IMNM |
| ACTC1 | MX1 | CAMK1G | MYH4 | STAT1 |
| LOC151121 | TUBA1A | EGR4 | H19 | MYH8 |
| SAA1 | ISG15 | CXCL8 | JCHAIN | PSMB9 |
| SOCS3 | MCU | PROK2 | CFAP126 | KLF10 |
| ANKRD1 | HIST2H2AA3 | NT5C3A | NT5C1A | MYBPH |
| NREP | IFI6 | CXCL9 | CCL13 | ISG15 |
| CCDC3 | RARRES3 | CAPN6 | S100A9 | MIR23A |
| PLEKHO1 | CYB5R3 | RAB13 | COQ10A | COL3A1 |
| SAA2 | IGFN1 | ANKRD28 | DBNDD1 | IGLL5 |
| MYBPH | CDKN1A | C2ORF40 | ZNF106 | HIST1H2BD |
The name and location of the genes is indicated in online supplementary table 2.
AS, antisynthetase syndrome; DM, dermatomyositis; IBM, inclusion body myositis; IMNM, immune-mediated necrotising myopathy; NT, normal muscle tissue.