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Different hip and knee priority score systems: are they good for the same thing?
MedLine Citation:
PMID:  20553367     Owner:  NLM     Status:  In-Process    
OBJECTIVE: The aim of the present study was to compare two priority tools used for joint replacement for patients on waiting lists, which use two different methods.
METHODS: Two prioritization tools developed and validated by different methodologies were used on the same cohort of patients. The first, an IRYSS hip and knee priority score (IHKPS) developed by RAND method, was applied while patients were on the waiting list. The other, a Catalonia hip-knee priority score (CHKPS) developed by conjoint analysis, was adapted and applied retrospectively. In addition, all patients fulfilled pre-intervention the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Correlation between them was studied by Pearson correlation coefficient (r). Agreement was analysed by means of intra-class correlation coefficient (ICC), Kendall coefficient and Cohern kappa. The relationship between IHKPS, CHKPS and baseline WOMAC scores by r coefficient was studied.
RESULTS: The sample consisted of 774 consecutive patients. Pearson correlation coefficient between IHKPS and CHKPS was 0.79. The agreement study showed that ICC was 0.74, Kendall coefficient 0.86 and kappa 0.66. Finally, correlation between CHKPS and baseline WOMAC ranged from 0.43 to 0.64. The results according to the relationship between IHKPS and WOMAC ranged from 0.50 to 0.74.
CONCLUSIONS: Results support the hypothesis that if the final objective of the prioritization tools is to organize and sort patients on the waiting list, although they use different methodologies, the results are similar.
Antonio Escobar; Jose Maria Quintana; Mireia Espallargues; Alejandro Allepuz; Berta Ibañez
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of evaluation in clinical practice     Volume:  16     ISSN:  1365-2753     ISO Abbreviation:  J Eval Clin Pract     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9609066     Medline TA:  J Eval Clin Pract     Country:  England    
Other Details:
Languages:  eng     Pagination:  940-6     Citation Subset:  IM    
Copyright Information:
© 2010 Blackwell Publishing Ltd.
Research Unit, Hospital of Basurto, Bilbao, Bizkaia, Spain.
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