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目的:了解四川地区成年人真耳-耦合腔差值(RECD)的平均值。方法:对95例四川地区成年人进行双耳RECD测定,并进行性别及左右耳间的比较及与欧美地区成年人的RECD平均值比较。结果:四川地区与欧美地区成年人的RECD平均值差异有统计学意义。结论:在助听器验配过程中,使用RECD值时不能盲目采用欧美地区成年人的平均值标准。
OBJECTIVE: To understand the average value of adult ear - coupled cavity difference (RECD) in adults in Sichuan Province. Methods: 95 cases of adults in Sichuan Province RECR determination of both ears, and gender and left and right ear comparison with adults in Europe and the United States RECD average comparison. Results: There was significant difference in RECD between adults in Sichuan and Europe. Conclusion: In the hearing aid fitting process, the RECD value can not blindly adopt the average standard of adults in Europe and the United States.