Table 4. The difference in the angle of nasal septal deviation between the group with and without ETD

Degree of deviation	Normal (n=29)	ETD (n=21)	t-value	p-value
Most severe	15.89±4.06	15.68±4.69	.165	.870
Ant.	14.36±4.45	13.80±4.66	.429	.670
Mid.	13.20±4.78	13.28±4.75	.055	.956
Post.	6.38±2.94	6.34±3.50	.048	.962

Statistical significance p<0.05.
Ant.: anterior, Mid.: middle, Post.: posterior, ETD: Eustachian tube dysfunction.