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Reliability and concurrent validity of the Dutch hip and knee replacement expectations surveys.

Abstract：

BACKGROUND:Preoperative expectations of outcome of total hip and knee arthroplasty are important determinants of patients' satisfaction and functional outcome. Aims of the study were (1) to translate the Hospital for Special Surgery Hip Replacement Expectations Survey and Knee Replacement Expectations Survey into Dutch and (2) to study test-retest reliability and concurrent validity. METHODS:Patients scheduled for total hip (N = 112) or knee replacement (N = 101) were sent the Dutch Expectations Surveys twice with a 2 week interval to determine test-retest reliability. To determine concurrent validity, the Expectation WOMAC was sent. RESULTS:The results for the Dutch Hip Replacement Expectations Survey revealed good test-retest reliability (ICC 0.87), no bias and good internal consistency (alpha 0.86) (N = 72). The correlation between the Hip Expectations Score and the Expectation WOMAC score was 0.59 (N = 86). The results for the Dutch Knee Replacement Expectations Survey revealed good test-retest reliability (ICC 0.79), no bias and good internal consistency (alpha 0.91) (N = 46). The correlation with the Expectation WOMAC score was 0.52 (N = 57). CONCLUSIONS:Both Dutch Expectations Surveys are reliable instruments to determine patients' expectations before total hip or knee arthroplasty. As for concurrent validity, the correlation between both surveys and the Expectation WOMAC was moderate confirming that the same construct was determined. However, patients scored systematically lower on the Expectation WOMAC compared to the Dutch Expectation Surveys. Research on patients' expectations before total hip and knee replacement has only been performed in a limited amount of countries. With the Dutch Expectations Surveys it is now possible to determine patients' expectations in another culture and healthcare setting.

journal_name

BMC Musculoskelet Disord

journal_title

BMC musculoskeletal disorders

authors

van den Akker-Scheek I,van Raay JJ,Reininga IH,Bulstra SK,Zijlstra W,Stevens M

doi

10.1186/1471-2474-11-242

subject

Has Abstract

pub_date

2010-10-19 00:00:00

pages

242

issn

1471-2474

pii

1471-2474-11-242

journal_volume

pub_type

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Reliability and concurrent validity of the Dutch hip and knee replacement expectations surveys.