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Clinical data for PM/DM patients and controls
| Characteristic | Patients | Controls |
|---|---|---|
| Number of subjects (DM/PM) | 851 (535/310) | 968 |
| Female ratio (%) | 74.5 | 83.7 |
| Average age | 45.6 ± 14.9 | 43.4 ± 12.8 |
| DM with ILD, No./total (%) | 308/541 (56.9) | – |
| PM with ILD, No./total (%) | 171/310 (55.2) | – |
PM polymyositis, DM dermatomyositis, ILD interstitial lung disease
