Interrater Reliability of the Ankylosing Spondylitis Performance Index in Patients With Axial Spondyloarthritis.
Rasmussen CA; Mink SB; Primdahl J; Knak KL · 2026 · Musculoskeletal care
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Introduction In recent years, the Ankylosing Spondylitis Performance Index (ASPI) has emerged as a new objective measure of physical function in patients with axial spondyloarthritis (axSpA). So far, only the relative interrater…
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Metadata source: Europe PMC · DOI 10.1002/msc.70224