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Validation of Inter-Rater and Intra-Rater Reliability of Remote Dielectric Sensing Measurement
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- Hori Masakazu
- Second Department of Medicine, University of Toyama
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- Imamura Teruhiko
- Second Department of Medicine, University of Toyama
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- Fukuo Atsuko
- Second Department of Medicine, University of Toyama
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- Fukui Takuya
- Second Department of Medicine, University of Toyama
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- Koi Takatoshi
- Second Department of Medicine, University of Toyama
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- Ueno Yohei
- Second Department of Medicine, University of Toyama
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- Onoda Hiroshi
- Second Department of Medicine, University of Toyama
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- Tanaka Shuhei
- Second Department of Medicine, University of Toyama
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- Ushijima Ryuichi
- Second Department of Medicine, University of Toyama
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- Sobajima Mitsuo
- Second Department of Medicine, University of Toyama
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- Fukuda Nobuyuki
- Second Department of Medicine, University of Toyama
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- Ueno Hiroshi
- Second Department of Medicine, University of Toyama
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- Kinugawa Koichiro
- Second Department of Medicine, University of Toyama
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Description
<p>Remote dielectric sensing (ReDS) is a recently introduced non-invasive electromagnetic-based device used to quantify lung fluid levels. Nevertheless, its inter-rater and intra-rater reliability remain uncertain. In 10 healthy volunteers, ReDS values were measured three times successively by the officially trained expert examiner to validate intra-rater reliability. Similar measures were performed by a total of three examiners to validate inter-rater reliability. Intra-class correlation (ICC) was applied to validate each reliability. Ten healthy volunteers [median 34 (32, 40) years old, 10 men, body mass index 23.0 (21.2, 23.9) ] were included. Median ReDS value was 28% (25%, 31%). For the intra-rater reliability, ICC (1, 1) and ICC (1, 3) were 0.966 and 0.988, respectively (P < 0.001). For the inter-rater reliability, ICC (2, 1) and ICC (2, 3) were 0.683 and 0.866, respectively (P < 0.001). Given almost perfect intra-rater reliability, an examiner does not need to repeat ReDS measurement. Given substantial inter-rater reliability, ReDS measurements had better be measured by multiple examiners if possible.</p>
Journal
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- International Heart Journal
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International Heart Journal 63 (1), 73-76, 2022-01-29
International Heart Journal Association