Validation of the Ankle Osteoarthritis Scale Instrument for Preoperative Evaluation of End-Stage Ankle Arthritis Patients Using Item Response Theory.
Guiping LiuAlexander C PetersonKevin WingTrafford CrumpAlastair YoungerMurray PennerAndrea VeljkovicHannah FogginJason M SutherlandPublished in: Foot & ankle international (2019)
Level II, prospective comparative study.