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

Table 3

Comparison of change in scores in questionnaire assessments among three groups.

	Baseline	After last intervention	Within-group p-value
PSQI
Control Group	12.42±3.00	8.58±2.91	0.005
Group A	11.69±3.20	9.31±3.92	0.037
Group B	13.20±3.88	8.10±3.48	<0.001
ESS
Control Group	8.67±5.79	7.83±3.95	0.490
Group A	5.23±2.65	6.69±3.28	0.028
Group B	7.00±5.42	5.00±3.59	0.148
HAD-Anxiety
Control Group	6.92±4.34	4.75±2.96	0.086
Group A	5.54±3.33	5.00±2.86	0.536
Group B	4.90±3.51	2.40±2.68	0.007
HAD-Depression
Control Group	4.50±3.34	2.83±0.80	0.107
Group A	3.69±2.18	3.31±2.81	0.445
Group B	3.40±3.24	1.90±2.64	0.062

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