Table 4.

Relationship between variables in path analysis.

Bolus type		Independent variables	Relationship	Dependent variables	ß	CR	p
Viscosity	Volume
3.2 cP	5 mL	Caudate nucleus lesion	→	PAS score	0.72	3.18	0.001
		Age	→	LRD	1.06	2.62	0.009
		PAS score	→	PTD	0.86	4.32	<0.001
		LRD	→	PTD	11.05	2.82	0.005
5500 cP	5 mL	Insular lesion	→	PTD	0.54	2.23	0.03

CR, critical ratio; LRD, laryngeal response duration; PTD, pharyngeal transit duration; PAS, Penetration-Aspiration Scale. ^*p < 0.05, ^†p < 0.01.