This scoping review maps Korean translations of the Neck Disability Index, highlighting their uses and inconsistencies.
In the absence of an official, authorized Korean version of the Neck Disability Index (NDI) and amid the coexistence and mixed use of unofficial translations, this scoping review aimed to map the types, characteristics, and uses of Korean-language NDI translations in Korea to identify key issues.
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Lee et al. (2026) studied this question.
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