Table VI.

Comparison between pre and post-treatment PTT for the three different exams.

Parameter	Exam	Median (range)		p-value
		Pretherapy	1 month
WOPa 0-1 L	FEES f	0 (0-1)	0 (0-1)	0.219
PTTb 0-1c L d	VFS g	0 (0-3)	0 (0-0)	1.0
PTT 0-1 L	OPES h	0 (0-0)	0 (0-1)	1.0
WOP 0-1 SL	FEES	0 (0-1)	0 (0-2)	0.454
PTT 0-1 SL e	VFS	0 (0-1)	0 (0-0)	0.756
PTT 0-1 SL	OPES	0 (0-0)	0 (0-0)	1.0

^aWOP = White-out phase;

^bPTT = Pharyngeal transit time;

^c0-1 = parameter worsening score between baseline and 1 month after treatment;

^dL = Liquid;

^eSL = Semiliquid;

^fFEES = Fibreoptic endoscopic evaluation of swallowing;

^gVFS = Videofluoroscopy;

^hOPES = Oro-pharyngeal-oesophageal scintigraphy.