Table 2.

The serum levels of butyric acid and PANSS total and subscale scores in patients at baseline and 24 weeks after treatment.

		Baseline	24 Weeks	F	p-value
Butyric acid (μg/mL) (mean ± SEM)		0.12 ± 0.01	0.14 ± 0.01	−2.24	0.030
PANSS	Positive (mean ± SEM)	21.23 ± 0.74	10.18 ± 0.29	29.13	<0.001
	Negative (mean ± SEM)	21.57 ± 0.86	12.98 ± 0.43	18.89	<0.001
	General (mean ± SEM)	43.09 ± 1.05	27.66 ± 0.91	26.30	<0.001
	Total (mean ± SEM)	85.89 ± 2.10	50.82 ± 1.54	31.64	<0.001

The value of the bold means p <0.05.