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Prevalence of hearing-aid use in hearing-impaired men and women by age and severity of hearing loss in the better ear. Hearing loss in the better ear was defined as mild (20 – 34.9 dB HL), moderate (35 – 49.9 dB HL), moderately severe (50 – 64.9 dB HL), and severe-to-profound (65 + dB HL).
