Pilot Study of Acupuncture Point Laterality: Evidence from Heart Rate Variability

Table 3

Frequency domain result of heart rate variability.

	Time	LS group	RS group	𝑇 value	𝑃 value
LF	R1	44.308±13.443	47.128±16.006	−1.325	0.203
	R2	44.94±14.216	48.373±16.697	−1.429	0.171
	R3	45.693±14.727	48.755±19.521	−0.927	0.367
	R4	46.747±15.164	50.605±15.892	−1.605	0.127
HF	R1	55.618±13.433	52.806±15.981	1.322	0.204
	R2	54.988±14.217	51.548±16.68	1.432	0.170
	R3	54.245±14.728	51.182±19.511	0.927	0.367
	R4	53.184±15.169	49.332±15.889	1.604	0.127
Total Power	R1	3258.025±1758.083	3397.377±2253.850	−0.218	0.830
	R2	3613.889±1537.027	2892.476±1143.268	2.375	0.030
	R3	3738.289±1736.069	3374.885±1663.170	0.781	0.445
	R4	3761.157±1960.836	3241.175±1700.276	1.408	0.177
LF/HF	R1	0.912±0.517	1.087±0.713	−1.634	1.121
	R2	0.928±0.463	1.142±0.693	−2.055	0.056
	R3	0.979±0.547	1.271±0.928	−1.855	0.081
	R4	1.052±0.672	1.247±0.743	−1.627	0.122

LF: low frequency; HF: high frequency; n.u.: normalized unit; LF/HF: low frequency high frequency ratio. Data are expressed as Mean ± SD.