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Histograms depicting the percent of the veteran group in each of four age groups with 1000, 2000, and 4000 Hz pure-tone averages within the bin ranges indicated on the abscissa. Data for the left ear (diagonal lines) and right ear (shaded) are shown. The vertical dashed line is used to delineate the normal hearing and hearing loss categories with the percentages in the upper right of each panel indicating the percent of the sample with hearing loss.
