Table 7.

Percent of oropharyngeal swallowing disorders observed in the 10 patients with laryngeal cancer treated with radiation only at pretreatment (baseline) and 3 and 12 mo posttreatment.

	Baseline, %	Posttreatment		Overall p value by Cochran's Q	Pairwise p value
		3 mo, %	12 mo, %		Baseline vs 3 mo	Baseline vs 12 mo	3 vs 12 mo
Description of disorder
Reduced tongue base retraction	80	80	86	.99	.99	.99	.99
Reduced tongue strength	70	60	60	.61	.65	.16	.65
Delayed pharyngeal swallow	40	60	20	.09	.32	.16	.05
Slowed/delayed vestibule closure	30	50	40	.47	.16	.56	.56
Reduced tongue control	50	60	40	No test	.32	.56	.16
Reduced A-P tongue movement	10	50	40	.16	.05	.18	.65
Reduced laryngeal elevation	10	20	10	.78	.56	.99	.56
Reduced tongue stabilization	20	20	30	No test	No test	.65	.65
Bilateral pharyngeal weakness	20	0	0	No test	No test	No test	No test
Reduced cricopharyngeal opening	20	0	0	No test	No test	No test	No test
Visible cricopharyngeal bar	20	30	40	.22	.32	.16	.32
Incomplete laryngeal vestibule closure	10	0	10	.61	No test	.99	No test
Other measures of swallowing
Functional swallow	100	100	100	No test	No test	No test	No test
% Oral intake <50%	0	0	0	No test	No test	No test	No test
% Normal diet	90	80	90	No test	.32	.99	.32
Mean saliva weight (in grams)	7.15	7.29	5.30	.48	.96	.40	.33
SEM	1.96	1.80	0.79

Abbreviations: SEM, standard error of the mean; A-P, anterior-posterior.

Note: Bolded values indicate p < .05 for overall test or p < .017 for pairwise test. (“No test” means frequencies were too low to perform statistical tests).