Factor analysis findings for the NDI
J Orthop Sports Phys Ther
.
2009 Nov;39(11):828-9; author reply 829-31.
Authors
Charles Philip Gabel
,
Markus Melloh
,
Brendan Burkett
PMID:
19881009
No abstract available
Publication types
Comment
Letter
MeSH terms
Humans
Neck Pain / diagnosis*
Neck Pain / physiopathology
Pain Measurement / methods*
Principal Component Analysis / methods*
Severity of Illness Index
Surveys and Questionnaires