Dysphagia and its impact on the quality of life of head and neck cancer patients: institution-based cross-sectional study

Table 3 Multiple comparisons (Tukey HSD) between primary tumor site

Dependent variable	Primary tumor site	Primary tumor site	Mean difference	P	95% CI
Dependent variable	Primary tumor site	Primary tumor site	Mean difference	P	Lower	Upper
Total questions	Oral cavity	Nasal cavity	2.3	.830	− 7.2	11.8
	Oral cavity	Larynx	10.2^*	.048	0.1	20.3
	Nasal cavity	Larynx	7.9	.120	− 1.6	17.3
Composite mean	Oral cavity	Nasal cavity	2.7	.748	− 6.2	11.6
	Oral cavity	Larynx	9.8^*	.039	0.4	19.3
	Nasal cavity	Larynx	7.1	.135	− 1.7	15.9
Global	Oral cavity	Nasal cavity	8.1	.299	− 4.8	21.0
	Oral cavity	Larynx	13.9*	.047	0.2	27.7
	Nasal cavity	Larynx	5.8	.525	− 7.0	18.6
Physical	Oral cavity	Nasal cavity	3.7	.701	− 7.1	14.4
	Oral cavity	Larynx	11.8^*	.042	0.4	23.3
	Nasal cavity	Larynx	8.2	.167	− 2.5	18.9

ISSN: 1756-0500