Table 2. Changes in GHQ scores between groups.

Duration		Test	Placebo	p-value
Somatic symptoms score* (mean ± SD)
	Baseline	13.80 ± 1.06	14.0 ± 0.90	0.4179
	Day 90	1.90 ± 1.40	9.72 ± 1.47	< 0.001
	% difference	86.23	30.57
Anxiety & insomnia score† (mean ± SD)
	Baseline	13.40 ± 1.63	13.20 ± 1.28	0.5186
	Day 90	2.51 ± 1.36	10.70 ± 10.70	< 0.001
	% difference	81.27	18.94
Social dysfunction score* (mean ± SD)
	Baseline	13.29 ± 1.41	13.40 ± 0.98	0.6312
	Day 90	2.40 ± 1.50	10.93 ± 0.75	< 0.001
	% difference	81.94	18.43
Depressive symptoms score† (mean ± SD)
	Baseline	13.71 ± 1.41	13.10 ± 1.88	0.1618
	Day 90	0.90 ± 0.74	6.90 ± 0.31	< 0.001
	% difference	93.43	47.33
Total GHQ-28 score† (mean ± SD)
	Baseline	54.16 ± 2.86	53.17 ± 2.13	0.1373
	Day 90	7.71 ± 3.93	38.03 ± 2.03	< 0.001
	% difference	85.76	28.47

GHQ-28, General Health Questionnaire-28.

^*By Mann Whitney U test between groups. Significant at p < 0.05.

^†Data analyzed by Student’s t-test.