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Title:

Mixed-methods development of a new patient-reported outcome instrument for chronic low back pain: part 2-The Patient Assessment for Low Back Pain-Impacts (PAL-I).

Document type:
Journal Article
Author(s):
Bushnell, Donald M; Blum, Steven I; Liedgens, Hiltrud; Martin, Mona L; Freynhagen, Rainer; Wallace, Mark; Argoff, Charles; Eerdekens, Mariёlle; Kok, Maurits; Patrick, Donald L
Abstract:
We describe qualitative and quantitative development and preliminary validation of the Patient Assessment for Low Back Pain-Impacts (PAL-I), a patient-reported outcome measure for use in chronic low back pain (cLBP) clinical trials. Concept elicitation and cognitive interviews (qualitative methods) were used to identify and refine symptom concepts. Classical test theory and Rasch measurement theory (quantitative methods) were used to evaluate item-level and scale-level performance of the PAL-I u...     »
Journal title abbreviation:
Pain
Year:
2018
Journal volume:
159
Journal issue:
10
Pages contribution:
2066-2075
Fulltext / DOI:
doi:10.1097/j.pain.0000000000001309
Pubmed ID:
http://view.ncbi.nlm.nih.gov/pubmed/29889120
Print-ISSN:
0304-3959
TUM Institution:
Klinik für Anästhesiologie (DHM)
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