. Author manuscript; available in PMC: 2016 Sep 7.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2011 Jun 12;82(2):e119–e127. doi: 10.1016/j.ijrobp.2011.04.058

Table 4. Computed tomography perfusion parameters at baseline correlated to dysphagia severity at baseline.

Parameter	No. of scans	Baseline dysphagia status						p

		Grade 0, 1, 2			Grade 3

		n	Mean	SE	n	Mean	SE
Blood flow	15	12	17.8	2.0	3	13.0	2.3	0.206
Blood volume	15	12	1.8	0.18	3	1.1	0.44	0.344
Capillary permeability	15	12	5.7	1.4	3	7.0	3.2	0.844
Mean transition time	15	12	8.4	1.0	3	7.6	2.6	0.536