Comparing responsiveness of the EQ-5D-5L, EQ-5D-3L and EQ VAS in stroke patients.

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Title: Comparing responsiveness of the EQ-5D-5L, EQ-5D-3L and EQ VAS in stroke patients.
Authors: Golicki, Dominik, Niewada, Maciej, Karlińska, Anna, Buczek, Julia, Kobayashi, Adam, Janssen, M., Pickard, A.
Source: Quality of Life Research. Jun2015, Vol. 24 Issue 6, p1555-1563. 9p. 7 Charts.
Subjects: Stroke patients, Euroqol Group (Company), Visual analog scale, Comparative studies, Stroke treatment, Health outcome assessment
Abstract: Aims: To date, evidence to support the construct validity of the EQ-5D-5L has primarily focused on cross-sectional data. The aims of this study were to examine the responsiveness of EQ-5D-5L in patients with stroke and to compare it with responsiveness of EQ-5D-3L and visual analogue scale (EQ VAS). Methods: We performed an observational longitudinal cohort study of patients with stroke. At 1 week and 4 months post-stroke, patients were assessed with modified Rankin Scale (mRS) and Barthel Index (BI) and were administered the EQ-5D-5L and EQ-5D-3L, including the EQ VAS. The EQ-5D-5L index scores were derived using the crosswalk methodology developed by the EuroQol Group. We classified patients according to two external criteria, based on mRS or BI, into 3 categories: 'improvement,' 'stable' or 'deterioration'. We assessed the responsiveness of each measure in each patient subgroup using: effect size (ES), standardized response mean (SRM), F-statistic, relative efficiency and area under the receiver operating characteristic curve. Results: A total of 112 patients (52 % females; mean age 70.6 years; 93 % ischemic stroke) completed all the instruments at both occasions. In subjects with clinical improvement, EQ-5D-5L was consistently responsive, showing moderate ES (0.51-0.71) and moderate to large SRM (0.69-0.86). In general, EQ-5D-3L index appeared to be more responsive (ES 0.63-0.82; SRM 0.77-1.06) and EQ VAS less responsive (ES 0.51-0.65; SRM 0.59-0.69) than EQ-5D-5L index. Conclusions: The EQ-5D-5L index, based on the crosswalk value set, seems to be appropriately responsive in patients with stroke, 4 months after disease onset. As far as EQ-5D-5L index is scored according to crosswalk approach, the EQ-5D-3L index appears to be more responsive in stroke population. [ABSTRACT FROM AUTHOR]
Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Comparing responsiveness of the EQ-5D-5L, EQ-5D-3L and EQ VAS in stroke patients.
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  Data: <searchLink fieldCode="AR" term="%22Golicki%2C+Dominik%22">Golicki, Dominik</searchLink><br /><searchLink fieldCode="AR" term="%22Niewada%2C+Maciej%22">Niewada, Maciej</searchLink><br /><searchLink fieldCode="AR" term="%22Karlińska%2C+Anna%22">Karlińska, Anna</searchLink><br /><searchLink fieldCode="AR" term="%22Buczek%2C+Julia%22">Buczek, Julia</searchLink><br /><searchLink fieldCode="AR" term="%22Kobayashi%2C+Adam%22">Kobayashi, Adam</searchLink><br /><searchLink fieldCode="AR" term="%22Janssen%2C+M%2E%22">Janssen, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Pickard%2C+A%2E%22">Pickard, A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Quality+of+Life+Research%22">Quality of Life Research</searchLink>. Jun2015, Vol. 24 Issue 6, p1555-1563. 9p. 7 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Stroke+patients%22">Stroke patients</searchLink><br /><searchLink fieldCode="DE" term="%22Euroqol+Group+%28Company%29%22">Euroqol Group (Company)</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+analog+scale%22">Visual analog scale</searchLink><br /><searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink><br /><searchLink fieldCode="DE" term="%22Stroke+treatment%22">Stroke treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Health+outcome+assessment%22">Health outcome assessment</searchLink>
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  Data: Aims: To date, evidence to support the construct validity of the EQ-5D-5L has primarily focused on cross-sectional data. The aims of this study were to examine the responsiveness of EQ-5D-5L in patients with stroke and to compare it with responsiveness of EQ-5D-3L and visual analogue scale (EQ VAS). Methods: We performed an observational longitudinal cohort study of patients with stroke. At 1 week and 4 months post-stroke, patients were assessed with modified Rankin Scale (mRS) and Barthel Index (BI) and were administered the EQ-5D-5L and EQ-5D-3L, including the EQ VAS. The EQ-5D-5L index scores were derived using the crosswalk methodology developed by the EuroQol Group. We classified patients according to two external criteria, based on mRS or BI, into 3 categories: 'improvement,' 'stable' or 'deterioration'. We assessed the responsiveness of each measure in each patient subgroup using: effect size (ES), standardized response mean (SRM), F-statistic, relative efficiency and area under the receiver operating characteristic curve. Results: A total of 112 patients (52 % females; mean age 70.6 years; 93 % ischemic stroke) completed all the instruments at both occasions. In subjects with clinical improvement, EQ-5D-5L was consistently responsive, showing moderate ES (0.51-0.71) and moderate to large SRM (0.69-0.86). In general, EQ-5D-3L index appeared to be more responsive (ES 0.63-0.82; SRM 0.77-1.06) and EQ VAS less responsive (ES 0.51-0.65; SRM 0.59-0.69) than EQ-5D-5L index. Conclusions: The EQ-5D-5L index, based on the crosswalk value set, seems to be appropriately responsive in patients with stroke, 4 months after disease onset. As far as EQ-5D-5L index is scored according to crosswalk approach, the EQ-5D-3L index appears to be more responsive in stroke population. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jun2015
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