Table 5. Findings of the videofluoroscopic swallowing study in patients with cricopharyngeal dysfunction.

OTT, oral transit time; PDT, pharyngeal delay time; PTT, pharyngeal transit time; PCR, pharyngeal constriction ratio; FDS, functional dysphagia scale.

^a)Residue Grade 1=mild 25%–50% remained relative to the total bolus; Grade 2=moderate 50%–75%; Grade 3=severe ≥75% accordingly.