Minimal Important Change and Minimal Clinically Important Difference in Pain and Function With Exercise in Hip Osteoarthritis
Authors' conclusion
This study provides robust, context-specific MIC and MCID estimates for outcomes in hip OA following exercise.
Study context
- Population
- Adults with hip osteoarthritis (OA) allocated one of two nine-month physiotherapist-guided exercise programs
- Participants
- 196 adults
- Primary endpoint
- MIC and MCID for pain (NRS, WOMAC pain subscale) and physical function (WOMAC physical function subscale, PSFS), anchored on global ratings of change
- Follow-up
- Three and nine months
Methodological detailsanchor-based (global ratings of change)
- Anchor-based (global ratings of change)
Primary result
As reported in the abstract
- Minimal important change (MIC), NRS pain, three months (points)
- 2.1
- MIC, NRS pain, nine months (points)
- 2.4
- MIC, WOMAC pain, three months (points)
- 2.8
- MIC, WOMAC pain, nine months (points)
- 3.0
- MIC, WOMAC physical function, three months (points)
- 8.7
- MIC, WOMAC physical function, nine months (points)
- 8.3
- MIC, PSFS, three months (points)
- −2.1
- MIC, PSFS, nine months (points)
- −2.0
- Minimal clinically important difference (MCID), NRS pain, three months (points)
- 2.0
- MCID, NRS pain, nine months (points)
- 2.4
- MCID, WOMAC pain, three months (points)
- 2.8
- MCID, WOMAC pain, nine months (points)
- 3.0
- MCID, WOMAC physical function, three months (points)
- 9.2
- MCID, WOMAC physical function, nine months (points)
- 8.3
- MCID, PSFS, three months (points)
- −3.5
- MCID, PSFS, nine months (points)
- −0.7
Original publication
Minimal Important Change and Minimal Clinically Important Difference in Pain and Function With Exercise in Hip Osteoarthritis. Arthritis Care Res (Hoboken). Published 4 April 2026. doi:10.
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