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Table 2: Standard pure-tone audiometry (PTA) and extended high-frequency audiometry (EHFA) hearing thresholds in call centre operators together with the expected median values of hearing thresholds for comparable highly screened otologically normal population according to ISO 7029:2017[15]]

Table 2: Standard pure-tone audiometry (PTA) and extended high-frequency audiometry (EHFA) hearing thresholds in call centre operators together with the expected median values of hearing thresholds for comparable highly screened otologically normal population according to ISO 7029:2017<sup>[15]</sup><sup>]</sup>