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

Table 5

Change in HRV parameters after first intervention session.

	Before intervention	After intervention	Within-group p-value
Tp
Control Group	6.34±0.94	6.62±1.05	0.240
Group A	6.78±0.90	6.73±0.78	0.798
Group B	7.05±0.73	7.32±0.55	0.080
VLFp
Control Group	5.84±0.99	6.05±1.05	0.409
Group A	6.09±0.96	5.97±0.80	0.710
Group B	6.21±0.88	6.72±0.61	0.017
LFp
Control Group	4.65±0.96	4.89±1.10	0.387
Group A	5.11±1.15	5.09±1.13	0.921
Group B	5.50±0.85	5.66±0.69	0.378
HFp
Control Group	4.18±1.08	4.53±1.24	0.116
Group A	4.94±1.10	4.99±0.97	0.739
Group B	5.16±1.07	5.34±0.85	0.528
LFnu
Control Group	51.66±15.13	49.56±16.60	0.668
Group A	45.75±14.96	44.85±17.99	0.821
Group B	50.03±20.08	49.26±8.85	0.909
HFnu
Control Group	33.02±11.92	33.70±12.21	0.864
Group A	37.88±11.56	40.55±14.92	0.493
Group B	36.40±15.68	36.18±8.04	0.970
LF:HF
Control Group	0.47±0.68	0.36±0.80	0.640
Group A	0.25±0.56	0.10±0.82	0.362
Group B	0.34±0.91	0.32±0.39	0.942

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