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Table 3: Rate of each hearing loss metric (mean, range) and observed-expected rate of hearing loss at 2, 3, 4 KHz and 3, 4, 6 KHz, 2002-2006, for 10 locations

Table 3: Rate of each hearing loss metric (mean, range) and observed-expected rate of hearing loss at 2, 3, 4 KHz and 3, 4, 6 KHz, 2002-2006, for 10 locations