Table 5.

Video fluoroscopic swallowing exam scores between the two groups after intervention.

Group	N	Before intervention	15 days after intervention	1 month after intervention	F	P
Observation	108	3.73 ± 0.76	7.05 ± 0.89*	8.71 ± 1.07*	828.455	<0.001
Control	106	3.67 ± 0.82	5.19 ± 0.95*	6.95 ± 1.16*	293.381	<0.001
t		0.393	10.454	8.160	–	–
P		0.695	<0.001	<0.001	–	–

*P < 0.05, compared with before intervention.

Values in the table are mean ± standard deviation or score, unless otherwise noted.