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

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

VFS measure Completion timea 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 displacementb 5.2 (2.5) 38.7 (21.5) 0.99 (0.98 to 0.99) 0.90 (0.76 to 0.96)
Scaled hyoid displacementb 1.9 (0.5) 14.6 (4.8) 0.98 (0.96 to 0.99) 0.26 (− 0.05 to 0.52)
Pharyngeal constrictionb 4.5 (1.0) 33.3 (10.1) 0.99 (0.98 to 0.99) 0.25 (− 0.10 to 0.59)
  1. Note. VFS videofluoroscopic swallow study, CI confidence interval, MBSImp™ © Modified Barium Swallow Impairment Profile, N/A not applicable, PAS Penetration Aspiration Scale
  2. aReported in minutes; mean (SD)
  3. bDisplacement measurements conducted on 5 and 15-ml bolus volumes only