Table 2: Detectability of swallowing events by real-time MRI and FEES.

Deglutition events Real-time MRIFEES
SagittalCoronalAxialAxial

Laryngeal ascent (LAT)Start100%80%0%89%
End100%67%0%
Velo-pharyngeal closure (VCT)Start100%93%5%100%
End100%93% 5%100%
Oro-velar opening (OOT)Start100%53%0%33%
End100%7%0%
Pharyngeal transit (PTT)Start100%93%0%
End100%20%0%
Glottal closure (GCT)Start0%87%86%
End0%87%86%22%
Vallecular and piriform sinus filling (SFT)Start11%67%95%
End0%33%95%
Epiglottic retroflexion (ERT)Start100%0%5%
End100%0%0%89%
Pharyngeal constriction (PCT)Start100%80%5%
End100%80%5%
Esophageal opening (EOT)Start95%33%68%
End95%13%68%
Laryngeal descent (LDT)Start100%47%0%
End100%53%0%11%

Bold font: highest visibility rate.
Bold italic font: second highest visibility rate.