世界卫生组织(WHO)听力损失程度分级标准

世界卫生组织(WHO)1997公布的听力损失程度分级标准(根据500,1000,2000及4000Hz气导平均阈值计算:

听力损失程度                                                 听觉阈值(dBHL)

轻度                                                                                26--40

中度                                                                                 41--60

重度                                                                                61--80

极重度                                                                              81以上