Evaluate Laser Needle Effect on Blood Perfusion Signals of Contralateral Hegu Acupoint with Wavelet Analysis

Table 4

Change of average amplitude in different frequency intervals (Mean ± SEM).

Frequency intervals	Record point	H-S group	NH-S group
FR1	R1	0.000±0.000	0.000±0.000
	R2	0.722±0.323	0.722±0.947
	R3	0.338±0.266	0.029±0.253
	R4	1.032±0.480	0.476±0.475
	R5	1.505±0.928	0.234±0.374
	R6	0.923±0.426	0.398±0.369
	R7	1.886±1.495	0.105±0.280
	R8	1.399±0.543^*	0.076±0.329
FR2	R1	0.000±0.000	0.000±0.000
	R2	0.498±0.225	1.174±1.267
	R3	0.358±0.201	0.086±0.213
	R4	0.875±0.320	0.422±0.332
	R5	0.791±0.432	0.241±0.273
	R6	0.808±0.273	0.255±0.228
	R7	1.225±0.975	0.265±0.259
	R8	1.293±0.417^*	0.103±0.222
FR3	R1	0.000±0.000	0.000±0.000
	R2	0.253±0.134	0.989±1.031
	R3	0.296±0.126	0.073±0.131
	R4	0.577±0.206	0.165±0.141
	R5	0.423±0.203	0.115±0.231
	R6	0.567±0.195	0.074±0.145
	R7	0.737±0.580	0.295±0.324
	R8	0.853±0.276^*	0.056±0.192
FR4	R1	0.000±0.000	0.000±0.000
	R2	0.089±0.090	0.643±0.669
	R3	0.234±0.097	0.086±0.114
	R4	0.369±0.145	0.124±0.114
	R5	0.187±0.106	0.101±0.206
	R6	0.281±0.111	0.109±0.135
	R7	0.356±0.293	0.242±0.298
	R8	0.455±0.168	0.035±0.169
FR5	R1	0.000±0.000	0.000±0.000
	R2	0.051±0.043	0.282±0.298
	R3	0.126±0.050	0.101±0.112
	R4	0.193±0.065	0.098±0.104
	R5	0.086±0.057	0.133±0.184
	R6	0.148±0.051	0.141±0.127
	R7	0.175±0.135	0.223±0.263
	R8	0.251±0.086	0.051±0.146

^*𝑃<0.05, H-S group versus NH-S group; The change of average amplitude is defined as (𝐴_𝑖−𝐴₁)/𝐴₁(𝑖=1,2,3,…,8).