Baseline and 2-year differences in spinal symptoms and spinal and hip mobility in early axial spondyloarthritis and non-axial spondyloarthritis chronic back pain patients.

37 Also noteworthy, the regression models showed a trend for worse symptoms in patients taking NSAIDs, possibly reflecting the greater need for this therapy in those with more severe symptoms.

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No significant effect of an axSpA diagnosis was found for overall back pain, morning stiffness intensity or duration, although there was a strong trend for all variables for a higher improvement in axSpA, nearly reaching statistical significance.

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