- Abstract:
-
BACKGROUND: Indices of physical function may have a hierarchy of items. In cases where this can be demonstrated it may be possible to reduce patient burden by asking them to complete only those items which relate directly to their own level of ability. OBJECTIVES: To determine whether statistical procedures, operationalising what is known as item response theory (IRT), can be used to assess the unidimensionality of the 10 item physical functioning domain of the SF-36 in patients with Parkinso...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1136/jnnp.71.2.220
-
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- Journal:
- Journal of neurology, neurosurgery, and psychiatry
- Volume:
- 71
- Issue:
- 2
- Pages:
- 220-224
- Publication date:
- 2001-08-05
- DOI:
- EISSN:
-
1468-330X
- ISSN:
-
0022-3050
- URN:
-
uuid:c4d3364b-6983-400d-83f6-043fe92b90ca
- Source identifiers:
-
133331
- Local pid:
- pubs:133331
- Language:
- English
- Keywords:
- Copyright date:
- 2001
Journal article
Can item response theory reduce patient burden when measuring health status in neurological disorders? Results from Rasch analysis of the SF-36 physical functioning scale (PF-10).
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