Spondyloarthritis & psoriatic arthritis
Clinically Relevant Deficits in Performance Tests in Patients With Axial Spondyloarthritis
Authors' conclusion
Many patients with axSpA had impairments in physical performance tests. Importantly, this was frequently seen in tasks requiring coordination and muscle power of the lower extremity. Performance tests provide qualitatively different information than BASFI and BASMI assessments in patients with axSpA.
Study context
- Population
- Consecutive patients with axial spondyloarthritis (axSpA) (radiographic axSpA 66.5%, nr-axSpA 33.5%; 69% males; mean age 44.3 years)
- Participants
- 200 patients
- Exposure
- Patients with impairment in ≥ 1 performance test vs patients without impairment
- Impairedn = 91
- Outcome
- Impairment of performance tests (inability to perform ≥ 1 performance test) and association between self-reported and performance-based physical functioning
Methodological detailsconsecutive patients, validated cut-offs for impaired physical performance
- Consecutive patients
- Validated cut-offs for impaired physical performance
Main finding
As reported in the abstract
Impairment in performance tests
Impairment in ≥ 1 performance test
91 patients
45.5%
Repeated chair stand test impaired (most frequent)
n = 75, 37.5%
Putting on socks impaired (second most frequent)
n = 44, 22%
Observational data: associations, not effects.
Further findings
Characteristics of impaired vs not impaired patients
- Age (yrs), impaired vs not impaired
- 49.1 vs 40.3
- BMI (kg/m²), impaired vs not impaired
- 28.9 vs 25.8
- ASDAS, impaired vs not impaired
- 3.0 vs 2.1
- Bath Ankylosing Spondylitis Functional Index (BASFI), impaired vs not impaired
- 5.8 vs 2.7
- Bath Ankylosing Spondylitis Metrology Index (BASMI), impaired vs not impaired
- 4.4 vs 2.7
- ASAS Health Index, impaired vs not impaired
- 9.5 vs 4.9
- PHQ-9 depression screen, impaired vs not impaired
- 11.6 vs 6.5
- All P < 0.01
Original publication
Clinically Relevant Deficits in Performance Tests in Patients With Axial Spondyloarthritis. J Rheumatol. Published 1 September 2022. doi:10.
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