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Content-based interpretation aids for health-related quality of life measures in clinical practice. An example for the visual function index (VF-14).

Abstract:

BACKGROUND: In spite of a well-established development of instruments, difficulty in interpreting health related quality of life scores may limit its use in clinical practice. OBJECTIVE: To develop generalizable interpretation aids for a measure of perceived functional visual status, the VF-14 index. DESIGN: Item Response Theory (Rasch analysis) was used to analyze the performance of VF-14 items. The 'ruler' aid was derived from the most difficult activity (item) a patient is able to do with...

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Publication status:
Published

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Authors


Valderas, JM More by this author
Espallargues, M More by this author
Castells, X More by this author
Journal:
Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation
Volume:
13
Issue:
1
Pages:
35-44
Publication date:
2004-02-05
DOI:
EISSN:
1573-2649
ISSN:
0962-9343
URN:
uuid:28c02f26-feaa-45b1-8c97-9e791b8bc41b
Source identifiers:
214342
Local pid:
pubs:214342

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