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The validity and reliability of Systemic Lupus Erythematosus Quality of Life Questionnaire (L-QoL) in a Turkish population

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dc.contributor.authorŞANAL TOPRAK, CANAN
dc.contributor.authorsDuruoz, M. T.; Unal, C.; Toprak, C. Sanal; Sezer, I.; Yilmaz, F.; Ulutatar, F.; Atagunduz, P.; Baklacioglu, H. S.
dc.date.accessioned2022-03-12T22:23:55Z
dc.date.available2022-03-12T22:23:55Z
dc.date.issued2017
dc.description.abstractBackground Systemic lupus erythematosus (SLE) may have a profound impact on quality of life. There is increasing interest in measuring quality of life in lupus patients. The purpose of this study was to investigate the validity and reliability of SLE Quality of Life Questionnaire (L-QoL) in Turkish SLE patients. Methods SLE according to 2012 Systemic Lupus International Collaborating Clinics Classification Criteria were recruited into the study. Demographic data, clinical parameters and disease activity measured with the Systemic Lupus Erythematosus Disease Activity Index-2000 (SLEDAI-2K); were noted. Nottingham Health Profile and Health Assessment Questionnaire were filled out in addition to the Turkish L-QoL (LQoL-TR). Internal consistency, test-retest reliability, and convergent and discriminant validity were evaluated. Results The mean age of participants was 43.5514.33 years and the mean disease duration was 89.8 +/- 92.1 months. The patients filled out LQoL-TR in 2.5min. Strong correlation of LQoL-TR with all subgroups of the Nottingham Health Profile and the Health Assessment Questionnaire were established showing the convergent validity. The highest correlation was demonstrated with emotional reactions (rho=0.72) and sleep component (rho=0.65) of the Nottingham Health Profile scale (p<0.0001). Its poor and not significant correlation with nonfunctional parameters (age, disease duration, perceived general health, SLEDAI-2K) showed its discriminative properties. LQoL-TR demonstrated good internal reliability with a Cronbach's of 0.93 and test-retest reliability with intraclass correlation coefficient of 0.87. Conclusion The LQoL-TR is a practical and useful tool which demonstrates good validity and reliability.
dc.identifier.doi10.1177/0961203317707063
dc.identifier.eissn1477-0962
dc.identifier.issn0961-2033
dc.identifier.pubmed28467289
dc.identifier.urihttps://hdl.handle.net/11424/234613
dc.identifier.wosWOS:000414406100008
dc.language.isoeng
dc.publisherSAGE PUBLICATIONS LTD
dc.relation.ispartofLUPUS
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectDisease specific outcome measure
dc.subjectL-QoL
dc.subjectsystemic lupus erythematosus
dc.subjectvalidation
dc.subjectHEALTH-ASSESSMENT QUESTIONNAIRE
dc.subjectCROSS-CULTURAL ADAPTATION
dc.subjectDISEASE-ACTIVITY
dc.subjectSLEEP DISTURBANCES
dc.subjectVALIDATION
dc.subjectVERSION
dc.subjectPREVALENCE
dc.subjectDIMENSIONS
dc.subjectDISABILITY
dc.subjectGUIDELINES
dc.titleThe validity and reliability of Systemic Lupus Erythematosus Quality of Life Questionnaire (L-QoL) in a Turkish population
dc.typearticle
dspace.entity.typePublication
local.avesis.id5c3cae14-02a5-41f7-86fc-f09d7d514a89
local.import.packageSS17
local.indexed.atWOS
local.indexed.atSCOPUS
local.indexed.atPUBMED
local.journal.numberofpages6
local.journal.quartileQ3
oaire.citation.endPage1533
oaire.citation.issue14
oaire.citation.startPage1528
oaire.citation.titleLUPUS
oaire.citation.volume26
relation.isAuthorOfPublicationcd325669-ecc3-489c-81ff-618c4f13c2a2
relation.isAuthorOfPublication.latestForDiscoverycd325669-ecc3-489c-81ff-618c4f13c2a2

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