Effectiveness of Laser Acupuncture in Alleviating Chronic Insomnia: A Single-Blinded Randomized Controlled Trial

Table 6

Change in HRV parameters after last intervention session.

	Before intervention	After intervention	Within-group p-value
Tp
Control Group	6.16±1.01	6.38±1.07	0.311
Group A	6.83±0.79	7.04±0.62	0.111
Group B	6.53±1.03	7.23±1.47	0.346
VLFp
Control Group	5.52±1.15	5.82±1.14	0.335
Group A	6.03±0.77	6.47±0.63	0.056
Group B	5.69±1.38	6.56±1.62	0.145
LFp
Control Group	4.63±0.80	4.84±1.03	0.390
Group A	5.45±1.16	5.23±1.02	0.495
Group B	4.58±1.05	5.55±1.15	0.011
HFp
Control Group	4.01±1.25	3.96±1.43	0.730
Group A	4.90±0.84	4.94±0.96	0.825
Group B	5.06±0.93	5.12±1.36	0.867
LFnu
Control Group	54.57±14.16	58.93±14.21	0.403
Group A	54.52±15.92	48.01±19.01	0.123
Group B	32.21±13.51	51.03±17.15	0.010
HFnu
Control Group	31.49±11.33	27.52±11.73	0.315
Group A	32.15±11.31	37.13±14.72	0.141
Group B	49.54±10.46	34.26±16.04	0.006
LF:HF
Control Group	0.62±0.78	0.88±0.89	0.246
Group A	0.56±0.72	0.28±0.88	0.161
Group B	-0.48±0.62	0.44±0.82	0.007

p<0.05; p<0.01; p<0.001.