Application value research of swallowing treatment device combined with swallowing rehabilitation training in the treatment of swallowing disorders after stroke

Table 3 Comparison of surface electromyography of the genioglossus muscle group before and after intervention in both groups

Group	Number of samples	Empty swallowing				Swallowing 5 mL of water
		AEMG (μV)		Duration (s)		AEMG (μV)		Duration (s)
		Before intervention	After intervention	Before intervention	After intervention	Before intervention	After intervention	Before intervention	After intervention
Control group	43	35.89 ± 7.94	28.75 ± 6.12a	3.89 ± 1.21	2.11 ± 0.82a	38.16 ± 8.95	29.11 ± 6.05a	3.64 ± 1.23	2.08 ± 0.74a
Observation group	43	36.01 ± 8.12	26.31 ± 4.96a	3.92 ± 1.17	1.47 ± 0.67a	37.96±9.41	25.21 ± 5.13a	3.71 ± 1.18	1.51 ± 0.45a
t value		0.069	2.031	0.117	3.963	0.101	3.224	0.269	4.316
P value		0.945	0.045	0.907	0.000	0.920	0.002	0.788	0.000

^aP < 0.05 vs before intervention.

AEMG: Average amplitude value.