Table A1.

ASPEKT method reference values for categorical parameters (number of swallows per bolus; Penetration–Aspiration Scale scores; and LVC integrity) by consistency.

Parameter name	Consistency	Mode	Atypical	Proposed scores of clinical concern
Number of swallows per bolus	Thin	1	2 or more	3 or higher
	Slightly thick
	Mildly thick
	Moderately thick
	Extremely thick
Penetration–Aspiration Scale scores	Thin	1	2 or 4	3, 5, or higher
	Slightly thick
	Mildly thick
	Moderately thick
	Extremely thick
Laryngeal vestibule closure (LVC) Integrity	Thin	Complete	Partial	Incomplete
	Slightly thick
	Mildly thick
	Moderately thick
	Extremely thick