Clinical Efficacy of Traditional Chinese Medicine, Suan Zao Ren Tang, for Sleep Disturbance during Methadone Maintenance: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 3

Mean and change in BAI, BDI, and heroin craving score.

	SZRT group ()		Placebo group ()		P value^a
	Mean (SD)	Change	Mean (SD)	Change
BAI
Baseline	15.0 (11.3)		12.4 (13.9)
4-week posttreatment	12.8 (13.2)	−2.2	8.8 (13.0)	−3.6	0.502
BDI
Baseline	18.3 (14.3)		14.4 (14.4)
4-week posttreatment	13.0 (13.9)	−5.3	11.5 (13.3)	−2.9	0.280
Heroin craving score
Baseline	25.5 (28.1)		33.7 (34.6)
4-week posttreatment	33.5 (31.9)	8.3	34.2 (35.6)	0.68	0.351

Difference between mean change scores SZRT and placebo groups (-test).