A comparison of the Nottingham Health Profile and Short Form 36 Health Survey in patients with chronic lower limb ischaemia in a longitudinal perspectiveReportar como inadecuado




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Health and Quality of Life Outcomes

, 2:9

First Online: 17 February 2004Received: 14 October 2003Accepted: 17 February 2004

Abstract

BackgroundDifferent generic quality of life instruments such as the Nottingham Health Profile NHP and the Short Form 36 Health Survey SF-36 have revealed conflicting results in patients with chronic lower limb ischaemia in psychometric attributes in short-term evaluations. The aim of this study was to compare the NHP and the SF-36 regarding internal consistency reliability, validity, responsiveness and suitability as outcome measures in patients with lower limb ischaemia in a longitudinal perspective.

Methods48 patients with intermittent claudication and 42 with critical ischaemia were included. Assessment was made before and one year after revascularization using comparable domains of the NHP and the SF-36 questionnaires.

ResultsThe SF-36 was less skewed and more homogeneous than the NHP. There was an average convergent validity in three of the five comparable domains one year postoperatively. The SF-36 showed a higher internal consistency except for social functioning one-year postoperatively and was more responsive in detecting changes over time in patients with intermittent claudication. The NHP was more sensitive in discriminating among levels of ischaemia regarding pain and more able to detect changes in the critical ischaemia group.

ConclusionBoth SF-36 and NHP have acceptable degrees of reliability for group-level comparisons, convergent and construct validity one year postoperatively. Nevertheless, the SF-36 has superior psychometric properties and was more suitable in patients with intermittent claudication. The NHP however, discriminated better among severity of ischaemia and was more responsive in patients with critical ischaemia.

KeywordsLower limb ischaemia Nottingham Health Profile Reliability Responsiveness Short Form 36 Validity Electronic supplementary materialThe online version of this article doi:10.1186-1477-7525-2-9 contains supplementary material, which is available to authorized users.

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Autor: Christine Wann-Hansson - Ingalill Rahm Hallberg - Bo Risberg - Rosemarie Klevsgård

Fuente: https://link.springer.com/







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