机译:Impact of radiologic variables on item responses of ODI, SRS22 and SF-36. in adult spinal deformity patients: differential item functioning (DIF) analysis results from a multi-center database
Department of Orthopaedic Surgery and Musculoskeletal Medicine,University of Otago, Christchurch;
School of Medicine Ankara,Ankara Yildirim Beyazit University;
L’Institut de la Colonne Vertébrale, CHU PellegrinMater Private HospitalDepartment of Orthopedics and Traumatology,Acibadem Mehmet Ali Aydinlar University School ofSpine Center,Schulthess KlinikSpine Surgery Unit,Hospital Universitario Val HebronSpine Surgery Unit,Hospital Universitario La PazAnkara Spine Center;