Jun Ho Lee1,2,3, Junghwa Bahng4, Chulho Kim5, Yoo Yeon Kim6. 1. Department of Otorhinolaryngology and Head and Neck Surgery, Chucheon Sacred Heart Hospital, Hallym University College of Medicine, 77, Sakju-ro, Chuncheon, Gangwon-do, 200-704, Republic of Korea. zoonox@nate.com. 2. Department of Otorhinolaryngology and Head and Neck Surgery, Hangang Sacred Heart Hospital, Hallym University Medical Center, Seoul, Republic of Korea. zoonox@nate.com. 3. Institute of New Frontier Research, Hallym University College of Medicine, Chuncheon, Republic of Korea. zoonox@nate.com. 4. Department of Audiology, Hallym University of Graduate Studies, Seoul, Republic of Korea. 5. Department of Neurology, Chucheon Sacred Heart Hospital, Hallym University, 77, Sakju-ro, Chuncheon, Gangwon-do, 200-704, Republic of Korea. gumdol52@naver.com. 6. Department of Medical Genetics, College of Medicine, Hallym University, Chuncheon, Republic of Korea.
Abstract
OBJECTIVES: To suggest the most adaptable criteria of age-related hearing loss (ARHL) using prevalence matching with population-based data. METHODS: We chose 30, 25, 20, and 15 dB as gap ranges of cutoff values of the descending type of hearing loss, between an average of low (500 Hz, 1 kHz) and high (4 kHz, 6 kHz) frequencies. Interaural difference was defined as 10 or 15 dB. Hearing loss was defined over 25 dB. We compared the prevalence results of the cross-matching criteria. We used population-based data from the Korea National Health and Nutrition Examination Survey. We assumed that the prevalence of ARHL ranged from 25 to 35%, and this prevalence will increase gradually with age. RESULTS: Among the eight possible criteria, age ≥ 65 years, average of all frequencies > 25 dB at the each sides, gap between low- and high frequencies ≥ 20 dB, and interaural difference ≤ 10 dB were the most suitable criteria to suggest a quantitative definition of ARHL audiometrically. CONCLUSION: In the current study, we recommend the new, quantitative ARHL criteria. The suggested criteria for ARHL might be easily accessed by other researchers to demonstrate their own hypotheses.
OBJECTIVES: To suggest the most adaptable criteria of age-related hearing loss (ARHL) using prevalence matching with population-based data. METHODS: We chose 30, 25, 20, and 15 dB as gap ranges of cutoff values of the descending type of hearing loss, between an average of low (500 Hz, 1 kHz) and high (4 kHz, 6 kHz) frequencies. Interaural difference was defined as 10 or 15 dB. Hearing loss was defined over 25 dB. We compared the prevalence results of the cross-matching criteria. We used population-based data from the Korea National Health and Nutrition Examination Survey. We assumed that the prevalence of ARHL ranged from 25 to 35%, and this prevalence will increase gradually with age. RESULTS: Among the eight possible criteria, age ≥ 65 years, average of all frequencies > 25 dB at the each sides, gap between low- and high frequencies ≥ 20 dB, and interaural difference ≤ 10 dB were the most suitable criteria to suggest a quantitative definition of ARHL audiometrically. CONCLUSION: In the current study, we recommend the new, quantitative ARHL criteria. The suggested criteria for ARHL might be easily accessed by other researchers to demonstrate their own hypotheses.
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