Spondyloarthritis & psoriatic arthritis
The negative impact of pain catastrophising on disease activity: analyses of data derived from patient-reported outcomes in psoriatic arthritis and axial spondyloarthritis
Authors' conclusion
This study suggests the role of PC, independently of inflammation, in disease perception and achievement of remission or low disease activity in chronic arthritides.
Study context
- Population
- Participants with psoriatic arthritis (PsA) and axial spondyloarhtiritis (axSpA)
- Participants
- 135 vs 71
- Exposure
- PsA vs axSpA
- PsAn = 135
- axSpAn = 71
- Outcome
- Association of pain catastrophising (PCS) with disease activity (DAPSA, BASDAI)
Methodological detailsmulticentre, observational, multivariable regression
- Multicentre
- Observational
- Multivariable regression
Main finding
As reported in the abstract
Association of PCS with disease activity
- Adjusted linear regression: positive association between PC-Scale (PCS) and Disease Activity in Psoriasic Arthritis (DAPSA) (PsA)
- Adjusted linear regression: positive association between PCS and BASDAI (axSpA)
- PCS negatively impacts the subjective domains of disease activity scores
- Adjusted linear regression model
Observational data: associations, not effects.
Original publication
The negative impact of pain catastrophising on disease activity: analyses of data derived from patient-reported outcomes in psoriatic arthritis and axial spondyloarthritis. Clin Exp Rheumatol. Published 10 April 2022. doi:10.
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