KMID : 1129720070240040055
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Korean Journal of Acupuncture 2007 Volume.24 No. 4 p.55 ~ p.67
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Improvement of the repeatability and reproducibility of the meridian impedance measurement system MIR-2
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Yin Chang-Shik
Lee Hye-Jung Kim Jong-Yeol Lee Woo-Cheol
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Abstract
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Objectives: The repeatability and reproducibility of MIR-2, a newly developed impedance measurement device (four electrode method) on skin are of the meridian system, is evaluated and a method to improve the reliability is discussed.
Methods: Multiple gage R&R studies were conducted for the impedance measurements over bilateral KI3 acupoint in ten participants by three assessors using MIR-2 device. Gage R&R studies were repeated after controlling the acupoint locating method or one value correction by replacing one assessor¡¯s outlying value with an average of the other assessors¡¯ values to explore any feasibility of improvement of measurement reliability.
Results: Controlling acupoint locating method and replacing one value with an average of other assessors¡¯ value led to improved variation metrics in a gage R&R study.
Conclusions: Measurement reliability can be improved by controlling measurement procedures or by using repeated measurement method, which will facilitate development of clinically applicable measurement device with reliability.
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KEYWORD
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MeridianImpedance, MeasuringSystem, MeridianSystem, GageR, &, R
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