Table 1

 Spectrum of spondyloarthropathy (SpA)

Inflammatory arthropathiesPredominant feature
Ankylosing spondylitisAxial involvement
Psoriatic spondyloarthritisPsoriasis, nail changes
Inflammatory bowel disease related spondyloarthritisColitis
Reactive spondyloarthritisConjunctivitis/uveitis, urethritis
Undifferentiated SpACharacteristic symptoms, no specific features