However, the NIPsA group had a higher proportion of refractory PsA (5/23, 21.7%), defined as failure of at least one drug from each b/tsDMARDs class, compared with the other group (1/30, 3.3%), but this difference did not reach statistical significance (p=0.074).
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Using ultrasound to define inflammatory and non-inflammatory phenotypes in difficult-to-treat psoriatic arthritis.
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0.0740
0.0740