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2010 review - Patient-Reported Outcomes Measurement - University ...

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Appendix A<br />

Appraisal of the methodological quality of PROMs<br />

A simple rating scale (Table i) was used to rate the sum total of evidence available for each<br />

dimension or criterion against which PROMs were assessed. The dimensions or criteria are<br />

summarised in Table ii.<br />

Table i: Psychometric and operational criteria<br />

0 not reported (no evaluation completed)<br />

― Evaluation evidence available indicating<br />

poor performance of instrument<br />

+ Some limited evidence in favour<br />

++ Good evidence in favour<br />

+++ Excellent evidence in favour<br />

37

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