Prevalence of Pain and Factors Associated With Pain in Patients With Idiopathic Inflammatory Myopathies
Authors' conclusion
Pain is prevalent and associated with poor outcomes in patients with IIM. Pain is closely linked with patient global disease activity.
Study context
- Population
- Adults with idiopathic inflammatory myopathies (IIM) recruited from rheumatology clinics into FORWARD, a US-based prospective registry of adults with rheumatic diseases (mean age 55 years, 78% women)
- Participants
- 189 adults
- Outcome
- Prevalence of pain and factors associated with pain
Methodological detailsprospective registry (FORWARD), multivariable regression
- Prospective registry (FORWARD)
- Multivariable regression
Main finding
As reported in the abstract
- Reported pain
- ≈86%
- Average pain on 10-cm VAS
- 3.5
- Taking opioids
- One in four
- Joint and muscle pain, respectively
- ≈62% to 63%
Observational data: associations, not effects.
Further findings
Joint and muscle pain
- Joint and muscle pain, respectively (approximately)
- 62% to 63%
Opioid use
- Patients taking opioids
- One in four
Original publication
Prevalence of Pain and Factors Associated With Pain in Patients With Idiopathic Inflammatory Myopathies. Arthritis Care Res (Hoboken). Published 23 July 2025. doi:10.
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