Differences in reported psychometric properties of the Neck Disability Index: patient population or choice of methods?
COMMENTARY ON: Young BA, Walker MJ, Strunce JB, et al. Responsiveness of the Neck Disability Index in patients with mechanical neck disorders. Spine J 2009;9:802–808 (in this issue).
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FDA device/drug status: not applicable.
Author disclosures: none.
PII: S1529-9430(09)00323-4
doi:10.1016/j.spinee.2009.07.001
© 2009 Elsevier Inc. All rights reserved.
Refers to article:
- Responsiveness of the Neck Disability Index in patients with mechanical neck disorders , 27 July 2009
