Psychometric properties of the short form of the Stroke Impact Scale in German-speaking stroke survivors
| العنوان: | Psychometric properties of the short form of the Stroke Impact Scale in German-speaking stroke survivors |
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| المؤلفون: | Detlef Marks, Anna Coppers, Jens Carsten Möller |
| المصدر: | Health and Quality of Life Outcomes Health and Quality of Life Outcomes, Vol 19, Iss 1, Pp 1-13 (2021) |
| بيانات النشر: | Springer Science and Business Media LLC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Adult, Male, Quality of life, medicine.medical_specialty, Psychometrics, Intraclass correlation, Computer applications to medicine. Medical informatics, R858-859.7, Short-form Stroke Impact Scale, 03 medical and health sciences, Inpatient rehabilitation, 0302 clinical medicine, Sickness Impact Profile, Surveys and Questionnaires, medicine, Humans, Survivors, 030212 general & internal medicine, Stroke, Aged, Aged, 80 and over, business.industry, Research, Stroke Rehabilitation, Public Health, Environmental and Occupational Health, Reproducibility of Results, Construct validity, General Medicine, Middle Aged, medicine.disease, Confirmatory factor analysis, Exploratory factor analysis, Clinical trial, Psychometric properties, Scale (social sciences), Physical therapy, Female, business, 030217 neurology & neurosurgery |
| الوصف: | Background The short form of the Stroke Impact Scale (SF-SIS) consists of eight questions and provides an overall index of health-related quality of life after stroke. The goal of the study was the evaluation of construct validity, reliability and responsiveness of the SF-SIS for the use in German-speaking stroke patients in rehabilitation. Methods The SF-SIS, the Stroke Impact Scale 2.0 (SIS 2.0), EQ-5D-5L, National Institutes of Health Stroke Scale (NIHSS) and de Morton Mobility Index were assessed in 150 inpatients after stroke, with a second measurement two weeks later for the analyses of responsiveness. In 55 participants, the test–retest-reliability was assessed one week after the first measurement. The study was designed following the recommendations of the COSMIN initiative. Results The correlations of the SF-SIS with the SIS 2.0 (ρ = 0.90), as well as the EQ-5D-5L (ρ = 0.79) were high, as expected. There was adequate discriminatory ability of the SF-SIS index between patients who were less and more severely affected by stroke, as assessed by the NIHSS. Exploratory factor analysis indicated a two-factor structure of the SF-SIS explaining 59.9% of the total variance, providing better model fit in the confirmatory factor analysis than the one-factorial structure. Analyses of test–retest-reliability showed an intraclass correlation coefficient of 0.88 (95% CI 0.75–0.94). Hypotheses concerning responsiveness were not confirmed due to lower correlations between the assessments change scores. Conclusion Results of this analysis of the SF-SIS’s psychometric properties are matching with the validity analysis of the English original version, confirming the high correlations with the Stroke Impact Scale and the EQ-5D-5L. Examination of structural validity did not confirm the presumed unidimensionality of the scale and found evidence of an underlying two-factor solution with a physical and cognitive domain. Sufficient test–retest reliability and internal consistency were found. In addition, this study provides first results for the responsiveness of the German version. Trial registration The study was registered at the German Clinical Trials Register. Trial registration number: DRKS00011933, date of registration: 07.04.2017 |
| تدمد: | 1477-7525 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fed9f7e610fea05e624c20075564f71e https://doi.org/10.1186/s12955-021-01826-5 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....fed9f7e610fea05e624c20075564f71e |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 14777525 |
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