Parameter	Level of data	Agreement statistic	Value (95% CI)	Interpretation c	% Requiring consensus resolution
PAS	Nominal	Kappa	0.515; 82% in agreement	Moderate	18
LVC (±)	Binary	Kappa	0.198; 76% in agreement	Poor	24
Hyoid burst frame	Continuous	ICC a	0.972 [0.966, 0.977]	Excellent	8
LVC frame	Continuous	ICC a	0.982 [0.979, 0.986]	Excellent	13
LVC offset frame	Continuous	ICC a	0.982 [0.978, 0.985]	Excellent	2
Maximum pharyngeal constriction frame	Continuous	ICC a	0.980 [0.976, 0.984]	Excellent	3
UES opening frame	Continuous	ICC a	0.984 [0.980, 0.987]	Excellent	3
Maximum UES distension frame	Continuous	ICC a	0.999 [0.998, 0.999]	Excellent	3
UES closure frame	Continuous	ICC a	0.980 [0.976, 0.983]	Excellent	9
Swallow rest frame	Continuous	ICC a	0.966 [0.959, 0.972]	Excellent	18
UESMax (%C2–4)	Continuous	ICC a	0.828 [0.783, 0.863] b	Good	7
Pharyngeal constriction area (%C2–42)	Continuous	ICC a	0.903 [0.877, 0.932] b	Good to excellent	2
Total pharyngeal residue (%C2–42)	Continuous	ICC a	0.885 [0.848, 0.912]	Good to excellent	3

Note. PAS = Penetration–Aspiration Scale; CI = confidence interval; LVC = laryngeal vestibule closure; UES = upper esophageal sphincter.

^a ICC model = two-way random, absolute agreement.

^b n = 2 impossible values identified and removed from ICC calculations.

^c Qualitative interpretation of agreement statistics from following references: Viera & Garrett (2005) and Koo & Li (2016).