. 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 3.

Descriptive statistics by bolus condition. [SD = standard deviation, MPCAn = Maximum pharyngeal constriction area normalized, C2-4 = % of the distance of the second to fourth cervical vertebrae, NRRS = normalized residue ratio scale]

	5ml thin		5ml nectar		20ml thin
	mean	SD	mean	SD	mean	SD
Pharyngeal Constriction (MPCAn)	0.004	0.011	0.037	0.058	0.017	0.027
Pharyngeal Shortening (%C2-4)	63.22	10.89	65.05	13.07	67.178	11.85
Vallecular Residue (NRRSv)	0.002	0.006	0.027	0.074	0.024	0.054
Pyriform Sinus Residue (NRRSp)	0.006	0.040	0.043	0.270	0.037	0.200