PO:04:061 | Higher prevalence of baseline comorbidities in patients developing difficult to treat psoriatic arthritis: Mario Ferraioli1, Michelina Turri1, Eneida Çela1, Mauro Fatica1, Paola Conigliaro1, Elisabetta Greco1, Alberto Bergamini1, Maria Sole Chimenti1. | 1Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome, Tor Vergata, Rome, Italy. Reumatismo [Internet]. 2025 Nov. 25 [cited 2026 Jun. 27];77(s1). Available from: https://www.reumatismo.org/reuma/article/view/2011