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Validity, reliability, and factor structure of the Istanbul Low Back Pain Disability Index in axial spondyloarthritis

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dc.contributor.authorDURUÖZ, MEHMET TUNCAY
dc.contributor.authorsDuruoz, Mehmet Tuncay; Acer Kasman, Sevtap; Sahin, Nilay; Sezer, Ilhan; Bodur, Hatice; Ketenci, Aysegul; Hizmetli, Sami; Erdem Gursoy, Didem; Demir, Ali Nail; Menekseoglu, Ahmet Kivanc; Karadag, Ahmet; Baklacioglu, Hatice Sule
dc.date.accessioned2022-03-12T22:54:54Z
dc.date.available2022-03-12T22:54:54Z
dc.date.issued2021
dc.description.abstractObjective: To investigate the validation and reliability of Istanbul Low Back Pain Disability Index (ILBPDI) in axial spondyloarthritis (Ax-SpA). Methods: Patients with Ax-SpA according to The Assessment of SpondyloArthritis International Society criteria were recruited. The validation was assessed by face, content, and construct (convergent and divergent) validities, whereas the reliability was assessed by internal consistency and test-retest reliability. Factor analysis was performed. Convergent validity was assessed by correlations of ILBPDI with functional parameters (The Bath Ankylosing Spondylitis Functional Index, The Dougados Functional Index, and The Health Assessment Questionnaire). Divergent validity was assessed by correlations of ILBPDI with non-functional parameters. Results: Two hundred forty patients were recruited. Cognitive debriefing showed ILBPDI to be clear, relevant, and comprehensive. Cronbach's alpha coefficient was 0.953. The test-retest reliability was good with the intraclass correlation coefficient of 0.870. ILBPDI was represented by three-factor groups of activity: axial bending, sitting/rest, and standing activities. ILBPDI had good correlations with the functional parameters (rho changes between 0.809 and 0.580), and it had poor or non-significant correlations with the non-functional parameters (absolute rho changes between 0.669 and 0.001). Conclusion: ILBPDI is a practical, accurate, and non-time-consuming scale which is valid and reliable to evaluate the functional disability in patients with Ax-SpA.
dc.identifier.doi10.1080/14397595.2020.1733172
dc.identifier.eissn1439-7609
dc.identifier.issn1439-7595
dc.identifier.pubmed32075459
dc.identifier.urihttps://hdl.handle.net/11424/236572
dc.identifier.wosWOS:000518332700001
dc.language.isoeng
dc.publisherTAYLOR & FRANCIS LTD
dc.relation.ispartofMODERN RHEUMATOLOGY
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAxial spondyloarthritis
dc.subjectdisability
dc.subjectfunction
dc.subjectIstanbul low back pain disability index
dc.subjectvalidation
dc.subjectBATH ANKYLOSING-SPONDYLITIS
dc.subjectHEALTH-ASSESSMENT QUESTIONNAIRE
dc.subjectQUALITY-OF-LIFE
dc.subjectDISEASE-ACTIVITY INDEX
dc.subjectFUNCTIONAL DISABILITY
dc.subjectINSTRUMENTS
dc.subjectVALIDATION
dc.subjectABILITY
dc.subjectSCALE
dc.titleValidity, reliability, and factor structure of the Istanbul Low Back Pain Disability Index in axial spondyloarthritis
dc.typearticle
dspace.entity.typePublication
local.avesis.id743b34c8-4308-4e40-bac8-92e29d0dbba0
local.import.packageSS17
local.indexed.atWOS
local.indexed.atSCOPUS
local.indexed.atPUBMED
local.journal.numberofpages7
local.journal.quartileQ3
oaire.citation.endPage457
oaire.citation.issue2
oaire.citation.startPage451
oaire.citation.titleMODERN RHEUMATOLOGY
oaire.citation.volume31
relation.isAuthorOfPublicationeb4c6f43-64e5-4029-a6a4-904f67c4d7d7
relation.isAuthorOfPublication.latestForDiscoveryeb4c6f43-64e5-4029-a6a4-904f67c4d7d7

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