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It is popular for using Meridian Electroacupuncture Analysis Device (MEAD) to measure the human skin conductance. We can use these values to evaluate the constitutional state of human body. MEAD is an easy learning, quick reactive machine. Few papers mention about its reliability. So we conduct a cross-sectional study by analysing the three times continuous measurement on 39 normal populations. Here we use Pearson correlation coefficients and tendency analysis method. This study is carried out at a general practice, the Buddist Tzuchi General Dalin Hospital, Department of Chinese Medicine, natural medicine lab in Chiayi. There are three results: 1.The reliability of MEAD is 0.87(Pearson correlation coefficients), and tendency analysis is 80.7%. The values of skin conductance in three times continuity measuring showed highly correlation and tendency. 2.The Pearson correlation coefficients is significant differences (p<0.05) between the first measurement (0.893) and third measurement (0.833), but no difference (p>0.05) between first measurement and second measurement (0.886). So the relevance is very high in five minutes, but will be decreased after 10 minutes. 3.We found each examined person has his own meridian pattern. These patterns may provide the diseases information of the patient. 4. After we calculate the three times measuring values by F-test from the meridians of left and right side, Yin and Yang parts, visceral and bowls, hands and feet. We found no difference (p>0.05) between each of them, so there does not have any relevance to effect the measurement. In addition, this study has finished the development of the physician chart output program with the Visual Basic 2005. It can draw the five-Hsing chart of the automated point goals in the functional surface. Compared to the past, doctors have saved lot of manpower and time rather than manually copying raw data to Excel worksheet in order to re-draw various charts in the past.
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