The Efficacy and Safety of Zaoren Anshen Capsule in Combination with Zolpidem for Insomnia: A Multicentre, Randomized, Double-Blinded, Placebo-Controlled Trial

Table 2

Intention-to-treat analysis of ISI scores.

	Mean values (SD)				Between group differences
	ZA + Z5 (n = 32)	Z5 (n = 32)	Z10 (n = 32	ZA (n = 32)	FAS (n = 131)		PPS (n = 98)
					F values	values	F values	values
Baseline	14.03 (2.57)	14.09 (4.00)	13.31 (3.82)	14.53 (3.84)	0.62	0.60	0.62	0.60
Week 2	6.80 (2.38)	9.84 (4.57)	6.72 (5.13)	11.11 (3.99)	8.74	<0.001	8.07	<0.001
Week 4	5.34 (2.91)	9.03 (3.78)	5.62 (3.55)	9.04 (4.42)	9.39	<0.001	8.78	<0.001
Week 5	5.34 (2.78)	8.59 (3.97)	5.04 (4.39)	8.24 (3.07)	8.28	<0.001	6.68	<0.001
Week 6	5.14 (3.32)	7.74 (3.83)	4.84 (3.80)	7.15 (2.62)	6.82	<0.001	4.24	0.01