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Pearson correlations between pharyngeal lumen volume and each dependent variable. [MPCAn = maximum pharyngeal constriction area normalized, C2-4 = % of the distance of the second to fourth cervical vertebrae, NRRS = normalized residue ratio scale]
| Correlation with Pharyngeal Volume | p | |
|---|---|---|
| Pharyngeal Constriction (MPCAn) | 0.29 | <0.001 |
| Pharyngeal Shortening (%C2-4) | 0.08 | 0.115 |
| Vallecular Residue (NRRSv) | 0.24 | <0.001 |
| Pyriform Sinus Residue (NRRSp) | 0.16 | 0.002 |
