The feasibility of assessing swallowing physiology following prolonged intubation after cardiovascular surgery

Table 2 Task completion time and inter-rater reliability according to VFS measure

VFS measure	Completion time^a		ICC (95% CI)
	Per bolus administration	Per VFS	Frame selection ratio	Measurement
MBSImp™^©	5.9 (0.8)	51.7 (16.5)	N/A	N/A
PAS	1.9 (0.9)	17.3 (10.1)	N/A	0.92 (0.83 to 0.96)
Absolute hyoid displacement^b	5.2 (2.5)	38.7 (21.5)	0.99 (0.98 to 0.99)	0.90 (0.76 to 0.96)
Scaled hyoid displacement^b	1.9 (0.5)	14.6 (4.8)	0.98 (0.96 to 0.99)	0.26 (− 0.05 to 0.52)
Pharyngeal constriction^b	4.5 (1.0)	33.3 (10.1)	0.99 (0.98 to 0.99)	0.25 (− 0.10 to 0.59)

Note. VFS videofluoroscopic swallow study, CI confidence interval, MBSImp™ ^© Modified Barium Swallow Impairment Profile, N/A not applicable, PAS Penetration Aspiration Scale
^aReported in minutes; mean (SD)
^bDisplacement measurements conducted on 5 and 15-ml bolus volumes only

ISSN: 2055-5784