Clinical characteristics of peripheral spondyloarthritis without psoriasis, inflammatory enteropathy or preceding infection, from a single rheumatology clinic in northern India.

The objective of this study was to characterise the peripheral arthritis of spondyloarthritis (pSpA) excluding psoriatic-, inflammatory enteropathy-related, post-infectious reactive-SpA and arthritis associated with axial SpA/ankylosing spondylitis (axSpA/AS). Patients presenting with the clinical features of the broad spectrum of SpA were screened for the presence of peripheral arthritis using the Assessment of SpondyloArthritis International Society (ASAS) criteria. The other conditions that could cause pSpA, e.