Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation
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The aim of our study was to undertake a prospective validation study of the Polish version of the European Organization for Research and Treatment of Cancer (EORTC) bone metastases (QLQ-BM22) module used alongside the EORTC core measure. ⋯ Our study provides new and robust evidence which shows that the Polish version of the QLQ-BM22 module is a valid and reliable instrument for measuring health-related quality of life in patients with bone metastases. It is suitable for use in clinical trials and in research.
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Comparative Study
Comparative validation of the WOMAC osteoarthritis and Lequesne algofunctional indices in Greek patients with hip or knee osteoarthritis.
To comparatively evaluate the reliability and validity of the Western Ontario and McMaster (WOMAC) and the Lequesne algofunctional indices in Greek patients with hip or knee osteoarthritis (OA). ⋯ Our findings, in samples of knee and hip OA patients, indicate that the WOMAC index demonstrates better internal consistency reliability than the Lequesne counterpart, as well as equivalent test-retest reliability and construct validity.
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The main purpose of this study was to describe the cultural adaptation of a Persian version of the Insomnia Severity Index and to evaluate its psychometric properties by testing internal consistency, construct validity, discriminant validity, and concurrent validity. ⋯ Cross-cultural adaptation was successful, and the ISI-P has good psychometric properties. Using the ISI-P is recommended to evaluate insomnia in research and clinical settings in Persian-speaking people.
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To estimate Swedish experience-based value sets for EQ-5D health states using general population health survey data. ⋯ A value set for EQ-5D health states based on Swedish valuations has been lacking. Several authors have recently advocated the normative standpoint of using experience-based values. Guidelines of economic evaluation for reimbursement decisions in Sweden recommend the use of experience-based values for QALY calculations. Our results that anxiety/depression had the greatest impact on both TTO and VAS values underline the importance of mental health for individuals' overall HRQoL. Using population surveys is in line with recent thinking on valuing health states and could reduce some of the focusing effects potentially appearing in hypothetical valuation studies.