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 3

The comparison of factor scores from the SF-36 from the end of the 6th week to the end of the 12th and 18th weeks between the two groups (𝜒±𝑠).

			6th week	12th week	18th week	Time effect		Treatment × time interaction		Treatment effect
						𝐹	𝑃	𝐹	𝑃	𝐹	𝑃
Physical functioning	FAS	Placebo	87.95±10.28	88.60±9.40	89.40±8.36	5.992	0.003^*	0.306	0.737	1.943	0.165
		XPYS	89.60±8.22	90.50±8.03	90.85±8.91
	PPS	Placebo	87.95±10.28	88.60±9.40	89.40±8.36	5.996	0.003^*	0.305	0.738	3.336	0.069
		XPYS	90.00±7.32	90.93±7.05	91.29±8.05
Role physical	FAS	Placebo	53.25±36.18	58.75±34.88	59.75±35.34	7.273	0.001^*	1.471	0.232	6.347	0.013^*
		XPYS	66.50±33.75	67.50±32.08	71.75±30.91
	PPS	Placebo	53.25±36.18	58.75±34.88	59.75±35.34	7.252	0.001^*	1.445	0.238	6.963	0.009^*
		XPYS	67.01±33.57	68.04±31.82	72.42±30.51
Bodily pain	FAS	Placebo	70.65±14.03	72.04±13.24	73.71±12.72	15.083	0.000^*	1.223	0.297	1.242	0.266
		XPYS	71.84±12.16	74.70±11.97	75.38±10.71
	PPS	Placebo	70.65±14.03	72.04±13.24	73.71±12.72	15.194	0.000^*	1.293	0.277	1.053	0.306
		XPYS	71.63±11.98	74.58±11.82	75.28±10.51
General health	FAS	Placebo	47.59±13.71	40.71±9.73	49.53±12.90	140.896	0.000^*	0.948	0.389	5.783	0.017^*
		XPYS	51.70±13.34	43.56±9.94	53.95±13.07
	PPS	Placebo	47.59±13.71	40.71±9.73	49.53±12.90	142.937	0.000^*	1.266	0.284	5.340	0.022^*
		XPYS	51.53±13.21	43.26±9.33	53.92±12.89
Vitality	FAS	Placebo	53.55±14.71	54.40±14.55	54.30±14.74	4.233	0.016^*	1.527	0.220	4.525	0.035^*
		XPYS	56.90±15.17	58.25±14.13	59.60±13.48
	PPS	Placebo	53.55±14.71	54.40±14.55	54.30±14.74	4.302	0.015^*	1.592	0.206	4.225	0.041^*
		XPYS	56.75±15.23	58.14±14.17	59.54±13.50
Social functioning	FAS	Placebo	72.38±15.82	73.00±15.76	73.25±16.19	0.807	0.447	0.025	0.975	4.432	0.037^*
		XPYS	76.63±14.40	77.00±13.96	77.50±13.76
	PPS	Placebo	72.38±15.82	73.00±15.76	73.25±16.19	0.807	0.448	0.025	0.975	5.126	0.025^*
		XPYS	76.93±14.25	77.32±13.78	77.84±13.56
Role emotional	FAS	Placebo	55.33±33.58	59.33±34.36	60.00±34.49	9.058	0.000^*	1.524	0.220	4.152	0.043^*
		XPYS	62.00±29.60	66.33±27.01	71.33±28.04
	PPS	Placebo	55.33±33.58	59.33±34.36	60.00±34.49	9.169	0.000^*	1.617	0.201	4.514	0.035^*
		XPYS	62.20±29.12	66.67±26.35	71.82±27.36
Mental health	FAS	Placebo	57.64±14.64	40.24±11.11	57.96±13.42	1045.885	0.000^*	4.148	0.017^*	0.782	0.378
		XPYS	57.40±13.04	42.52±11.08	60.48±13.20
	PPS	Placebo	57.64±14.64	40.24±11.11	57.96±13.42	1152.427	0.000^*	3.767	0.025^*	0.983	0.323
		XPYS	57.65±12.98	42.52±11.11	60.83±13.08