Evidence-Based Complementary and Alternative Medicine / 2011 / Article / Fig 5

Original Article

Assessing the Effects of Acupuncture by Comparing Needling the Hegu Acupoint and Needling Nearby Nonacupoints by Spectral Analysis of Microcirculatory Laser Doppler Signals

Figure 5

Relation between changes in the MBF and 1/(RECs of FR2) of the LDF signal at Site 1 (Hegu) in the Hegu experiment (n =13). (a) Early effect and (b) later effect. Relative changes in the MBF and 1/FR2 of the early and later effects are defined as the value of the early or later effect divided by the average baseline value. In the Hegu experiment, R 2 were 0.69 and 0.53 (P < .01 by F-test) during early effect and later effect, respectively, which indicated that the MBF was inversely proportional to the REC of FR2. The R 2 values were all smaller than 0.05 at the nonacupoints in the Hegu experiment and at all three sites in the control experiment (all P > .2 by F-test).

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