Table 3.

Effectiveness ratio of TCMSSS in FAS and PPS (%)

Group	FAS					PPS
	n	Cycle 1	Cycle 2	Cycle 3		n	Cycle 1	Cycle 2	Cycle 3
JXP	67	17.91	47.76	70.15		61	18.03	47.54	68.85
Placebo	69	10.14	33.33	46.38		63	9.52	33.33	47.62
P value		0.192	0.087	0.005a			0.168	0.107	0.017a

Notes: JXP group: JXP 6 g, twice per day on the fifth day of menstruation and continued treatment until the onset of the next menstruation for 3 menstrual cycles. Placebo group: JXP analogues 6 g, twice per day on the fifth day of menstruation and continued treatment until the onset of the next menstruation for 3 menstrual cycles. TCMSSS: Traditional Chinese Medicine Syndrome Score Scale; DRSP: Daily Record of Severity of Problems; FAS: full analysis set; PPS: per protocol set; JXP: Jiawei Xiaoyao pill. The analysis of χ² test was used to carry out statistical test. The number in JXP and placebo group was 67 and 69 in FAS, and 61 and 63 in PPS. Compared with the placebo group, ^aP < 0.05.