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Psychometric properties of the Brief Pain Inventory among patients with osteoarthritis undergoing total hip replacement surgery

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dc.contributor.author Kapstad, Heidi
dc.contributor.author Rokne, Berit
dc.contributor.author Stavem, Knut
dc.date.accessioned 2011-04-07T09:30:35Z
dc.date.available 2011-04-07T09:30:35Z
dc.date.issued 2010-12-09
dc.identifier.citation Health and Quality of Life Outcomes 8:148 en_US
dc.identifier.issn 1477-7525
dc.identifier.uri http://dx.doi.org/10.1186/1477-7525-8-148
dc.identifier.uri http://hdl.handle.net/1956/4631
dc.description.abstract Background Pain is a cardinal symptom of osteoarthritis (OA) of the hip and important for deciding when to operate. This study assessed the internal consistency reliability, validity and responsiveness of the Brief Pain Inventory (BPI) among patients with OA undergoing total hip replacement (THR). Methods We prospectively included 250 of 356 patients who were accepted to the waiting list for primary THR surgery. All participants responded to the BPI, WOMAC and SF-36 at baseline and 1 year after surgery. Results Internal consistency reliability (Cronbach's α) was >0.80 for the BPI, the WOMAC and five of the eight SF-36 scales The pattern of associations of the two BPI scales with corresponding and non-corresponding scales of the WOMAC and SF-36 largely supported the construct validity of the BPI. The responsiveness indices for change from baseline to 1 year after THR ranged from 1.52 to 2.05 for the BPI scales, from 1.69 to 2.84 for the WOMAC scales, and from 0.25 (general health) to 2.77 (bodily pain) for the SF-36 scales. Conclusions The BPI showed acceptable reliability, construct validity and responsiveness in patients with OA undergoing THR. BPI is short and therefore is easy to use and score, though the instrument offers few advantages over and duplicates scales of more comprehensive instruments, such as the WOMAC and SF-36. en_US
dc.language.iso eng en_US
dc.publisher BioMed Central en
dc.rights Copyright 2010 Kapstad et al; licensee BioMed Central Ltd. en_US
dc.rights.uri http://creativecommons.org/licenses/by/2.0 en_US
dc.title Psychometric properties of the Brief Pain Inventory among patients with osteoarthritis undergoing total hip replacement surgery en_US
dc.type Peer reviewed en_US
dc.type Journal article en_US
dc.rightsHolder Kapstad et al. en_US
dc.type.version publishedVersion en_US
bora.cristinID 540264 en
bora.cristinID 540264


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Copyright 2010 Kapstad et al; licensee BioMed Central Ltd. Except where otherwise noted, this item's license is described as Copyright 2010 Kapstad et al; licensee BioMed Central Ltd.

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