Xiaopiyishen Herbal Extract Granule Improves the Quality of Life among People with Fatigue-Predominant Subhealth and Liver-Qi Stagnation and Spleen-Qi Deficiency Syndrome

Table 2

The comparison of factor scores from the SF-36 from baseline to the end of the 6th week between the two groups (𝜒±𝑠).

		Group	Baseline	6th week	Time effect		Treatment × time interaction		Treatment effect
					𝐹	𝑃	𝐹	𝑃	𝐹	𝑃
Physical functioning	FAS	Placebo	85.25±11.53	87.95±10.28	23.501	0.000^*	0.777	0.379	0.585	0.445
		XPYS	85.70±12.79	89.60±8.22
	PPS	Placebo	85.25±11.53	87.95±10.28	23.313	0.000^*	0.844	0.359	1.110	0.293
		XPYS	86.03±12.52	90.00±7.32
Role physical	FAS	Placebo	47.25±36.39	53.25±36.18	24.286	0.000^*	2.848	0.093	4.686	0.032^*
		XPYS	54.25±35.90	66.50±33.75
	PPS	Placebo	47.25±36.39	53.25±36.18	23.950	0.000^*	2.880	0.091	5.033	0.026^*
		XPYS	54.64±36.14	67.01±33.57
Bodily pain	FAS	Placebo	68.29±14.59	70.65±14.03	36.080	0.000^*	7.468	0.007^*	0.195	0.660
		XPYS	65.54±13.12	71.84±12.16
	PPS	Placebo	68.29±14.59	70.65±14.03	36.804	0.000^*	8.025	0.005^*	0.380	0.538
		XPYS	65.13±12.83	71.63±11.98
General health	FAS	Placebo	45.69±13.66	47.59±13.71	7.929	0.005^*	2.146	0.145	2.006	0.158
		XPYS	45.68±16.19	51.70±13.34
	PPS	Placebo	45.69±13.66	47.59±13.71	8.249	0.005^*	2.370	0.125	1.475	0.226
		XPYS	45.24±16.03	51.53±13.21
Vitality	FAS	Placebo	50.05±13.46	53.55±14.71	27.812	0.000^*	1.164	0.282	1.671	0.198
		XPYS	51.60±15.17	56.90±15.17
	PPS	Placebo	50.05±13.46	53.55±14.71	28.076	0.000^*	1.348	0.247	1.355	0.246
		XPYS	51.29±15.14	56.75±15.23
Social functioning	FAS	Placebo	70.75±17.70	72.38±15.82	10.143	0.002^*	2.235	0.137	1.867	0.173
		XPYS	72.13±16.17	76.63±14.40
	PPS	Placebo	70.75±17.70	72.38±15.82	9.898	0.002^*	2.189	0.141	2.264	0.134
		XPYS	72.42±16.23	76.93±14.25
Role emotional	FAS	Placebo	47.00±35.17	55.33±33.58	21.020	0.000^*	0.115	0.735	2.002	0.159
		XPYS	52.33±33.59	62.00±29.60
	PPS	Placebo	47.00±35.17	55.33±33.58	20.385	0.000^*	0.105	0.746	2.136	0.146
		XPYS	52.58±33.62	62.20±29.12
Mental health	FAS	Placebo	54.96±14.54	57.64±14.64	8.009	0.005^*	3.024	0.084	0.172	0.679
		XPYS	56.76±13.41	57.40±13.04
	PPS	Placebo	54.96±14.54	57.64±14.64	7.861	0.006^*	2.876	0.091	0.291	0.590
		XPYS	56.99±13.38	57.65±12.98