An air-bone gap might exist in ATPT of LVAS at low frequencies, while the underlying cause remains unclear.

大前庭导水管综合征纯音听阈可以有低范围的气骨导差，但原因不明。

youdao

The two groups were comparable in the air conduction (AC) and air bone gap (ABG) values , and had no difference statistically.

二组的年龄、术前气导（AC）和术前气骨导差（ABG）相似，统计分析差异无显著意义。

youdao