Funding Information: This work was supported by Novartis Pharma AG. EuroSpA was financially supported by Novartis. Novartis had no influence on the data collection, statistical analyses, manuscript preparation or decision to submit the manuscript. Publisher Copyright: © 2024 The Author(s).; Objectives: Real-world evidence is needed to inform treatment strategies for patients with PsA and axial SpA (axSpA) who h...