표 2. | Table 2. 정상 아동의 연령별 후두 위치 측정 결과 | Measurement results of laryngeal height in normal

	Age	No.	Mean	SD	Std. error	Lower bound	Upper bound
BH	2	11	2.36	1.43	0.43	1.40	3.33
	3	17	4.41	1.94	0.47	3.42	5.41
	4	14	3.64	0.84	0.23	3.16	4.13
EAM-BH	2	11	6.09	0.30	0.09	5.89	6.29
	3	17	6.47	0.51	0.13	6.21	6.74
	4	14	6.71	0.73	0.19	6.29	7.13
GM-BH	2	11	1.91	0.30	0.09	1.71	2.11
	3	17	1.59	0.51	0.12	1.33	1.85
	4	14	1.93	0.62	0.17	1.57	2.28

BH, body of hyoid bone; EAM, external acoustic meatus; GM, gonion of mandible.