DBHL

Results Twenty-three cases showed response to acoustic stimulation at intensity of 110 dBHL, while 10 cases showed response to increased intensity at 120 dBHL during the second and third tests respectively.

结果在声刺激（AS）强度110dBHL时，有23例出现反应。有10例分别在第2次和第3次AS强度增加至120dBHL时出现反应。

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Results ( 1) It was calculated that the mean of air conduction hearing threshold of 500 、 1000 、 2000 、 3000 Hz on audiogram. The mean of the left is 13 dBHL and the mean of the right ear is 12 dBHL.

结果（1）计算听力图上500、1000、2000、3000Hz的平均气导听阈，320例的结果为左耳平均13dBHL，右耳平均12dBHL。

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When the level of pure tone auditory threshold> 50 dBHL, DPOAE disappeared.

当纯音听阈＞50dBHL时，DPOAE消失。

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For 81 ears, laser-assisted tympanostomy with pressure-equalizing tube insertion was performed, the air conduction raised 18.4 dBHL in 3 month follow up.

鼓膜造孔同时置通气管81耳，术后跟踪随访3个月以上，纯音气导听力语频区较术前平均提高18.4dBHL。

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The behavior audiometry showed that the average hearing threshold was 30 to 35 dBHL.

术后4周开机调试及随访，行为和语言测听平均听阈30～35dBHL。

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The total cure rate was 94.44% The brainstem electric response audiometry at frequency of 500,1000 and 2000 HZ improved between 10 and 15 dBHL.

总治愈率94.44%。穿孔愈合后电测听500、1000、2000HZ，听力提高10~15dBHL。

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When the level of pure tone auditory threshold> 50 dBHL, DPOAE disappeared.

当纯音听阈＞50dBHL时，DPOAE消失。

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Results The children with hydrocephalus whose wave V threshold values were < 80 dBHL were account for 78.95% of all patients.

结果外周性脑积水患儿ABR波V阈值<80dBHL耳所占比例高达78.95%；

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