本次体检3271名高初中毕业学生,年龄14～19岁。调查结果发现听力障碍127名(156耳)发病率为3.88％,其中双耳发病29名,156耳听力障碍均为单纯传导性耳聋。156耳听力损失以低频9为主。可分为轻度听力障碍:147耳,听力损失40dB以下;中度听力障碍:9耳,听力损失60dB以下。无重度听力障碍耳。 156耳中有1耳外耳道有脓性分泌物,鼓膜中央大穿孔,2耳鼓膜紧张部边缘小穿孔;4耳为陈旧性中耳炎,外耳道清洁,鼓膜边缘小穿孔;9耳鼓膜明显内陷,正常标志不存在,140耳鼓膜正常标志部分存在。男性96名,发病率为2.93％,女性31名,发病率为0.94％。男性高于女性发病率。 127名其中19名幼儿期有耳流脓史,46名有反复上呼吸道感染史,62名有耳内进水史(游泳)。因此,要 The high school graduates 3271 high school students, aged 14 to 19 years old. The survey found that 127 (156 ears) hearing loss rate was 3.88%, of which 29 cases of binaural hearing loss, 156 hearing loss were simple conductive deafness. 156 hearing loss to low frequency 9 based. Can be divided into mild hearing impairment: 147 ears, hearing loss below 40dB; moderate hearing loss: 9 ears, hearing loss below 60dB. No severe hearing loss ear. 156 ears have ear ear purulent secretions, the central perforation of the tympanic membrane, 2 ear tympanic membrane marginal small perforation; 4 ears for the old otitis media, external auditory canal cleaning, tympanic membrane edge small perforation; eardrum significantly retracted, normal The logo does not exist, 140 normal signs of eardrum exist. 96 males, the incidence was 2.93%, 31 females, the incidence was 0.94%. Men are higher than female morbidity. Of the 127 children, there were 19 episodes of ear pus in early childhood, 46 had recurrent upper respiratory tract infections, and 62 had a history of intra-ear water (swimming). So, want