IL17A and gout: The same trend was observed for IL-17A, where levels in PsA SF (median 7.77 pg/ml, IQR 3.26–18.14 pg/ml) were higher than both OA SF (median 3.20 pg/ml, IQR 1.55–3.20 pg/ml; p = 9.3 × 10−4) and gout SF (median 3.20 pg/ml, IQR 2.35–6.40 pg/ml; p = 0.027).