This international study validated and finalized the ASAS classification criteria for axial spondyloarthritis. It tested candidate criteria in 649 chronic back pain patients across 25 centres. The goal was to create criteria that capture early, non-radiographic disease using MRI, not just plain films.
This international study validated and finalized the ASAS classification criteria for axial spondyloarthritis. It tested candidate criteria in 649 chronic back pain patients across 25 centres. The goal was to create criteria that capture early, non-radiographic disease using MRI, not just plain films.