41. Reliability of the Neck Disability index (NDI) and Japanese Orthopedic Association (JOA) questionnaires in adult cervical radiculopathy and myelopathy patients when administered by telephone or via online format

The internal validity of long-term studies is significantly affected by the high loss to follow-up in the spine surgery population (>20%). Phone and email-based administration of patient-reported outcomes instruments is a less cumbersome approach for increasing response rates and assessment frequency while potentially decreasing follow-up burden on patients and physicians.

Source: The Spine Journal - August 23, 2019 Category: Orthopaedics Authors: Gaurang Gupte, Jacob M. Buchowski, Colleen M. Peters, Lukas P. Zebala Source Type: research