. Author manuscript; available in PMC: 2020 Feb 1.

Published in final edited form as: Dysphagia. 2018 Jul 23;34(1):129–137. doi: 10.1007/s00455-018-9924-5

Table 5.

Summary of bolus condition post-hoc comparisons for each dependent variable. Bolded values are significant. [MPCAn = Maximum pharyngeal constriction area normalized, C2-4 = % of the distance of the second to fourth cervical vertebrae, NRRS = normalized residue ratio scale]

		Volume	Viscosity

		5ml thin vs 20ml thin	5ml thin vs 5ml nectar
Pharyngeal Constriction (MPCAn)	mean difference	−0.011	−0.310
Pharyngeal Constriction (MPCAn)	p value	0.005	<0.001

Pharyngeal Shortening (%C2-4)	mean difference	−3.790	−1.832
Pharyngeal Shortening (%C2-4)	p value	0.003	0.256

Vallecular Residue (NRRSv)	mean difference	−0.021	−0.025
Vallecular Residue (NRRSv)	p value	0.001	<0.001

Pyriform Sinus Residue (NRRSp)	mean difference	−0.028	−0.038
Pyriform Sinus Residue (NRRSp)	p value	0.237	0.050