Translation, internal consistency, reliability and validity of the Thai version of Gout Assessment Questionnaire version 2.0 (GAQ 2.0).
Gout
HRQoL
Health-related quality of life
Patient outcomes assessment
Journal
Clinical rheumatology
ISSN: 1434-9949
Titre abrégé: Clin Rheumatol
Pays: Germany
ID NLM: 8211469
Informations de publication
Date de publication:
Jul 2022
Jul 2022
Historique:
received:
10
01
2022
accepted:
23
03
2022
revised:
21
03
2022
pubmed:
31
3
2022
medline:
15
6
2022
entrez:
30
3
2022
Statut:
ppublish
Résumé
To translate the Gout Assessment Questionnaire version 2.0 (GAQ2.0) with Gout Impact (GI) Scale (GIS) into Thai and determine its psychometric property in gout patients with acute arthritis (acute arthritis group) and during the intercritical period (chronic gout group). Translation followed the ISPOR recommendations. Cronbach's α, intraclass correlation coefficient (ICC) and standardized response mean (SRM) were used to determine internal consistency, reliability and responsiveness to change, respectively. Correlations between GI subscales with generic health-related quality of life (HRQoL) questionnaires (SF-36, HAQ-DI and EQ-5D-5L) and gout clinical parameters were determined. The acute arthritis group and the chronic gout group comprised 27 and 92 patients, respectively. Internal consistency was sufficient for all GI subscales (Cronbach's α = 0.80-0.98), reliability was moderate to good in most GI subscales (ICC = 0.54-0.88) and responsiveness to change was moderate to large in most GI subscales (SRM = 0.43-0.98). The GI subscales correlated better with SF-36 than HAQ-DI and EQ-5D-5L. In the acute arthritis group, the unmet gout treatment needs subscale showed large and moderate negative correlation with tophi and serum uric acid, respectively. In the chronic gout group, the gout concern overall subscale had statistically significant, moderate correlation with overall gout severity rated by the patients and number of gout attacks over the past year, while the well-being during attack subscale and total GIS score had statistically significant, moderate correlation with overall gout severity rated by the patients. The Thai GAQ2.0 GIS showed acceptable internal consistency, reliability and responsiveness to change and correlated significantly with generic HRQoL questionnaires and clinical parameters. Key Points • The Thai GAQ2.0 GIS showed acceptable internal consistency, reliability and responsiveness to change in gout patients both during acute attack and during the intercritical period • The GI subscales showed significant correlation with SF-36 and HAQ questionnaires and gout clinical parameters in gout patients both during acute attack and during the intercritical period • The Thai GAQ2.0 GIS subscales should be used in conjunction with generic HRQoL for complete HRQoL assessment in gout patients.
Identifiants
pubmed: 35353262
doi: 10.1007/s10067-022-06148-5
pii: 10.1007/s10067-022-06148-5
doi:
Substances chimiques
Uric Acid
268B43MJ25
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2129-2141Subventions
Organisme : Faculty of Medicine, Chiang Mai University
ID : 154/2019
Informations de copyright
© 2022. The Author(s), under exclusive licence to International League of Associations for Rheumatology (ILAR).
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