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The difference in average overall gain relative to NAL-NL1 prescribed overall gain, measured across 0.5, 1, 2, and 4 kHz, preferred by new hearing aid users 1, 4, and 13 months after fitting and users with more than 3 years of hearing aid experience
Note: The full and hatched bars show data for participants with a mild and a moderate or greater degree of hearing loss, respectively.
