Study on the treatment of dysphagia after stroke with electromyographic biofeedback intensive training

Table 1 Comparison of general information between two groups of patients [n/mean ± SD)]

General information	Group			χ2/F	P value
	Regular group (30)	EMGBF group (30)	Intensive EMGBF group (30)
Gender (Male/Female)	16/14	14/16	17/13	0.623	0.732
Average age (yr)	66.63 ± 1.32	65.62 ± 1.31	66.27 ± 2.14	2.935	0.058
Duration of disease(yr)	4.31 ± 0.67	4.33 ± 0.25	4.34 ± 0.25	0.036	0.964
Lesion site
Hemispheres	14	17	18	1.165	0.559
Brainstem	16	13	12

EMGBF: Electromyographic biofeedback.