Table 1: Changes in peripheral perfusion and LHR for four different treatments at different stages in the same group of testing subjects ().

ParameterTreatmentStage 1Stage 2 valueStage 3 value

Perfusion (aU)Acupuncture2.20 ± 0.352.33 ± 0.36<0.0012.29 ± 0.300.001
Pseudoacupuncture2.33 ± 0.302.41 ± 0.29<0.0012.38 ± 0.260.069
FIR2.30 ± 0.312.40 ± 0.350.0202.42 ± 0.370.032
Acupuncture-FIR2.26 ± 0.452.37 ± 0.44<0.0012.38 ± 0.410.004

LHRAcupuncture1.84 ± 1.141.64 ± 0.830.4421.62 ± 0.800.306
Pseudoacupuncture1.58 ± 0.891.80 ± 0.850.2062.00 ± 1.170.045
FIR2.07 ± 0.971.72 ± 0.880.1082.07 ± 1.890.601
Acupuncture-FIR2.42 ± 1.581.74 ± 0.930.0412.15 ± 1.480.691

aU: arbitrary unit; FIR: far-infrared radiation; LHR: low frequency power to high frequency power ratio. Comparison between stages 1 and 2. Comparison between stages 3 and 1. Significance of difference determined by paired -test.