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. 2025 Jul 25;9:94. doi: 10.1186/s41927-025-00547-2

Table 1.

Participant characteristics (n = 20)

Characteristic Value
Age, mean ± SD 52.6 ± 12.9
Gender, n
Female 12
Male 8
Ethnicity, n
 Oceania 4
 European 8
 North/East Asian 2
 Central/South/South-East Asian 2
 North Africa and Middle Eastern 2
 Other (South African, Caribbean) 2
Languages spoken at home, n
 English 14
 Mandarin 1
 Cantonese 1
 Tagalog 1
 Dari 1
 French 1
 Arabic 1
Highest level of education completed, n
 High school 6
 Diploma/College 4
 University degree (Bachelors) 5
 University degree (Masters/Honours) 5
Work status, n
 No work 9
 Part-time 3
 Full-time 8
Disease duration, mean ± SD 9.5 ± 8.9
Disease duration, n
 < 5 years 9
 5 to 10 years 3
 > 10 to 20 years 6
 > 20 years 2
Disease subtype, n
 Dermatomyositis 6
 Anti-synthetase syndrome 5
 Polymyositis 3
 Overlap myositis 3
 Immune mediated necrotizing myopathy 3
Current medications, n
 Prednisone (range 2.5–25 mg, median 10 mg) 10
 Intravenous immunoglobulin (IVIG) 10
 Methotrexate 8
 Mycophenolate 7
 Rituximab 5
 Hydroxychloroquine 1
 Other (Esomeprazole, Tacrolimus, Upadacitinib, Azathioprine) 5
IIM specific organ involvement, n
 Muscle* 19
 Lung
   Interstitial lung disease 10
   Pulmonary hypertension 3
 Skin 11
 Joint 3
Disease status, n
 Clinically stable/in remission 11
   Normal Creatine Kinase (CK) <250 units/L 11
   Stable Manual Muscle Test (MMT26) 4
 Active disease 5
   Elevated CK (range 286–1877 units/L) 3
   Skin** 1
   Lung 1
   No data 4
Major comorbidities, n
 Osteopenia/osteoporosis 7
 Osteoarthritis 4
 Heart disease 4
 Diabetes 3
 Hypertension 3
 Obesity 3
 Inflammatory bowel disease 2
 Persistent soft tissue infection 1
Exercise frequency, n
 No exercise 6
 1 day per week 2
 2–3 days per week 9
 4–5 days per week 0
 > 5 days per week 3
Exercise type, n
 Aerobic (exercise bike, walking, swimming) 8
 Strengthening (gym-based or home-based, resistance bands/weights) 3
 Range of motion (yoga, stretching) 1
 All the above 2

*1 participant had amyopathic dermatomyositis

**Participant with amyopathic dermatomyositis