Reliability, Concurrent Validity, and Minimal Detectable Change of a Smartphone Application for Measuring Thoracic Kyphosis

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dc.authoridUnver, Bayram/0000-0002-9829-5884
dc.authorwosidUnver, Bayram/V-7870-2019
dc.contributor.authorSahinoglu, Ertan
dc.contributor.authorErgin, Gulbin
dc.contributor.authorBakirhan, Serkan
dc.contributor.authorUnver, Bayram
dc.date.accessioned2024-03-09T18:48:46Z
dc.date.available2024-03-09T18:48:46Z
dc.date.issued2023
dc.departmentİzmir Bakırçay Üniversitesien_US
dc.description.abstractObjective: To assess the intra - and inter-rater reliability and concurrent validity, and to estimate minimal detectable change of a smartphone application for measuring thoracic kyphosis angle. Methods: A total of 80 healthy university students were evaluated. Two raters measured the thoracic kyphosis angle using a digital inclinometer and the smartphone application. Intra - and inter-rater reliability were assessed using the intraclass correlation coefficient (ICC) with 95% confidence interval. The standard error of measurement (SEM) and the minimal detectable change at the 95% confidence level (MDC95) were also calculated. The concurrent validity between the digital inclinometer and the smartphone application was assessed by the linear regression analysis and Bland and Altman's 95% limits of agreement method. Results: The intra - and inter-rater reliability were excellent for the digital inclinometer and the smartphone application (ICC > 0.75). The SEM values for the digital inclinometer and the smartphone application were close together. The MDC95 values for the smartphone application were 5.11 and 6.30 degrees, and 9.02 degrees for intra - and inter-rater, respectively. The digital inclinometer and the smartphone application showed a positive correlation (R-2 = 0.85). The Bland-Altman plot showed a good agreement between the instruments. Conclusion: The smartphone application used in this study is a cost-effective, practical, reliable, and valid instrument for measuring the thoracic kyphosis angle. More than 9 degrees in the value of the thoracic kyphosis angle measured by the smartphone application can be considered as a true change.en_US
dc.identifier.doi10.33808/clinexphealthsci.1038122
dc.identifier.endpage516en_US
dc.identifier.issn2459-1459
dc.identifier.issue3en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage511en_US
dc.identifier.trdizinid1196400en_US
dc.identifier.urihttps://doi.org/10.33808/clinexphealthsci.1038122
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/1196400
dc.identifier.urihttps://hdl.handle.net/20.500.14034/1467
dc.identifier.volume13en_US
dc.identifier.wosWOS:001153376600010en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherMarmara Univ, Inst Health Sciencesen_US
dc.relation.ispartofClinical and Experimental Health Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectReliability; Validity; Kyphosis; Smartphone; Spineen_US
dc.titleReliability, Concurrent Validity, and Minimal Detectable Change of a Smartphone Application for Measuring Thoracic Kyphosisen_US
dc.typeArticleen_US

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