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Unformatted text preview: than the NHP in detecting changes five weeks after
cardiac surgery. In contrast, Klevsgård et al  showed
that the NHP was more responsive in patients with
chronic lower limb ischaemia one month after revascularization. The result of the present study supports the TransAtlantic
recommendation that SF-36 should be used as a generic
health outcome measure in patients with chronic lower
limb ischaemia. It seems to be more sensitive for detecting
changes in quality of life than the NHP in patients with
IC. In the group of CLI patients who have more problems
with mobility and pain, however, it is harder to evaluate
whether the one questionnaire is superior to the other, the
NHP could be a preferable instrument in this group of
The findings indicate that both the SF-36 and the NHP
have acceptable degrees of reliability for group-level
comparisons, convergent and construct validity one year
after revascularization. Nevertheless, the SF-36 seems generally to have more superior psychometric properties and
was more suitable than the NHP for evaluating quality of
life in patients with intermittent claudication. The NHP,
however, discriminated better among severity of ischaemia and was more responsive in detecting changes over
time in patients with critical leg ischaemia. Acknowledgements
This study was supported by the Helge Axon Johnson Foundation and the
Department of Nursing Science, Lund University, The Vårdal Institute, The
Swedish Institute for Health Sciences, Department of Surgery, Sahlgrenska
University Hospital, Göteborg, Sweden. References
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