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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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