Table 1. Results of the Swallowing Screening test for control group, mildly dysphagic group (MDG) and severely dysphagic group (SDG).

	Controls			MDG		SDG
Volume per Swallow (ml)	18.6 +/− 3.2		§**	14.1 +/− 3.2	$**	6.6 +/− 2.1
Duration per Swallow (s)	1.2 +/− 0.4	&*	§**	2.4 +/− 1.1	$*	4.5 +/− 1.8
Capacity (ml/s)	17.7 +/− 6.0	&*	§***	7.1 +/− 3.4	$*	1.7 +/− 1.1

Mean and standard deviation for age and all three measured items are shown. Significant differences between the three groups are specified by Bonferroni corrected t-tests.

controls vs. MDG (&); controls vs. SDG (§); MDG vs. SDG ($).

p < 0.05;

**p < 0.01;

***p < 0.001