Eustachian tube test revealed 208 abnormal ears out of 362 ears, and 67 abnormal ears were found in 203 ears with type A tympanogram.

• 在 362耳中，咽鼓管功能异常208耳，在 A型鼓室导抗图 203耳中，咽鼓管功能异常67耳。