Preprint
Agreement between Original and Rasch-Approved Neck Disability Index
Abstract
Background: Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) …
Authors
LU Z; MacDermid JC; Nazari G
DOI
10.21203/rs.3.rs-18446/v4
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