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dc.contributor.author김담-
dc.date.accessioned2018-03-16T01:32:45Z-
dc.date.available2018-03-16T01:32:45Z-
dc.date.issued2016-04-
dc.identifier.citationRHEUMATOLOGY INTERNATIONAL, v. 36, NO 4, Page. 505-513en_US
dc.identifier.issn0172-8172-
dc.identifier.issn1437-160X-
dc.identifier.urihttps://link.springer.com/article/10.1007%2Fs00296-016-3427-1-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/47632-
dc.description.abstractThe aim of this study was to estimate the mapping model for EuroQol-5D (EQ-5D) utility values using the health assessment questionnaire disability index (HAQDI), pain visual analog scale (VAS), and disease activity score in 28 joints (DAS28) in a large, nationwide cohort of rheumatoid arthritis (RA) patients in Korea. The KORean Observational study Network for Arthritis (KORONA) registry data on 3557 patients with RA were used. Data were randomly divided into a modeling set (80 % of the data) and a validation set (20 % of the data). The ordinary least squares (OLS), Tobit, and two-part model methods were employed to construct a model to map to the EQ-5D index. Using a combination of HAQ-DI, pain VAS, and DAS28, four model versions were examined To evaluate the predictive accuracy of the models, the root-mean square error (RMSE) and mean absolute error (MAE) were calculated using the validation dataset. A model that included HAQ-DI, pain VAS, and DAS28 produced the highest adjusted R-2 as well as the lowest Akaike information criterion, RMSE, and MAE, regardless of the statistical methods used in modeling set. The mapping equation of the OLS method is given as EQ-5D = 0.95-0.21 x HAQ-DI-0.24 x pain VAS/100-0.01 x DAS28 (adjusted R-2 = 57.6 %, RMSE = 0.1654 and MAE = 0.1222). Also in the validation set, the RMSE and MAE were shown to be the smallest. The model with HAQ-DI, pain VAS, and DAS28 showed the best performance, and this mapping model enabled the estimation of an EQ-5D value for RA patients in whom utility values have not been measured.en_US
dc.description.sponsorshipThis study was supported by a Grant from the Korea Healthcare Technology R&D Project, Ministry of Health and Welfare, Republic of Korea (Grant Number: HI10C2020).en_US
dc.language.isoenen_US
dc.publisherSPRINGER HEIDELBERGen_US
dc.subjectMappingen_US
dc.subjectUtilityen_US
dc.subjectHAQ-DIen_US
dc.subjectDAS28en_US
dc.subjectEQ-5Den_US
dc.titleMapping health assessment questionnaire disability index (HAQ-DI) score, pain visual analog scale (VAS), and disease activity score in 28 joints (DAS28) onto the EuroQol-5D (EQ-5D) utility score with the KORean Observational study Network for Arthritis (KORONA) registry dataen_US
dc.typeArticleen_US
dc.relation.no4-
dc.relation.volume36-
dc.identifier.doi10.1007/s00296-016-3427-1-
dc.relation.page505-513-
dc.relation.journalRHEUMATOLOGY INTERNATIONAL-
dc.contributor.googleauthorKim, Hye-Lin-
dc.contributor.googleauthorKim, Dam-
dc.contributor.googleauthorJang, Eun Jin-
dc.contributor.googleauthorLee, Min-Young-
dc.contributor.googleauthorSong, Hyun Jin-
dc.contributor.googleauthorPark, Sun-Young-
dc.contributor.googleauthorCho, Soo-Kyung-
dc.contributor.googleauthorSung, Yoon-Kyoung-
dc.contributor.googleauthorChoi, Chan-Bum-
dc.contributor.googleauthorWon, Soyoung-
dc.relation.code2016003713-
dc.sector.campusS-
dc.sector.daehakINDUSTRY-UNIVERSITY COOPERATION FOUNDATION[S]-
dc.sector.departmentRESEARCH INSTITUTE-
dc.identifier.piddamkim-
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