Impact of transcranial electrical stimulation on serum neurotrophic factors and language function in patients with speech disorders

Table 3 Comparison of language function between the two groups before and after intervention (mean ± SD, point)

		Control group (n = 40)	Observation group (n = 41)	t	P value
Reading comprehension	Before the intervention	17.18 ± 2.09	16.85 ± 2.12	0.0146	0.9884
	After the intervention	23.61 ± 2.54a	29.54 ± 1.93a	0.4838	0.6297
Retelling	Before the intervention	11.48 ± 2.62	11.61 ± 2.59	0.4345	0.6649
	After the intervention	15.81 ± 2.04a	19.74 ± 2.05a	4.3645	0
Fluency	Before the intervention	14.38 ± 2.42	14.27 ± 2.45	1.0718	0.2881
	After the intervention	20.68 ± 3.52a	24.97 ± 3.77a	5.7166	0
Writing	Before the intervention	27.49 ± 2.11	28.12 ± 2.08	0.5213	0.6034
	After the intervention	46.12 ± 3.15a	50.54 ± 3.52a	0.1837	0.8546

^aP < 0.05, comparison before and after intervention in the group.