Spondyloarthritis & psoriatic arthritis
Clinical Relevance of Axial Radiographic Damage in Axial Spondyloarthritis: Evaluation of Functional Consequences by an Objective Electronic Device
Authors' conclusion
The ES scores, in accordance with mobility measurements, correlated well with the presence and extent of radiographic damage in the spine and the SIJs.
Study context
- Population
- Consecutively examined patients with axial spondyloarthritis (axSpA)
- Participants
- 103 participants
- Exposure
- r-axSpA vs nr-axSpA; ES measurements vs radiographic damage
- r-axSpAn = 72
- nr-axSpAn = 31reference
- Outcome
- Performance of the Epionics SPINE device (ES; RoM and RoK) relative to radiographic damage in the axial skeleton
Methodological detailsconsecutive patients, analyses of covariance, Spearman correlation
- Consecutive patients
- Analyses of covariance
- Spearman correlation
Main finding
As reported in the abstract
Number of syndesmophytes vs BASMI (Spearman r)
r 0.38
P = 0.02
Number of syndesmophytes vs chest expansion (Spearman r)
r −0.39
P = 0.02
Number of syndesmophytes vs ES measurements (except range of motion (RoM) and RoK for rotation and RoK for extension of lumbar and thoracic spines)
−0.53 ≤ r ≤ −0.34
all P < 0.03
Extent of SIJ radiographic damage vs ES scores and metric measurements
−0.49 ≤ r ≤ −0.33
all P < 0.001
Observational data: associations, not effects.
Further findings
ES scores for RoM, RoK and chest expansion, r-axSpA vs nr-axSpA
- Significantly worse in r-axSpA than nr-axSpA
Original publication
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