Research Article
Over-the-Counter Hearing Aids: A Lost Decade for Change
Table 6
Judgment of matching prescriptive targets for presbycusis with stricter criterion.
| | OTC | Matching the prescriptive targets for presbycusis? | Match the targets at four or more frequencies? | |
0.25 Hz |
0.5 Hz | 1 kHz | 2 kHz | 3 kHz | 4 kHz |
| | A tone N | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ | | A tone L | ✗ | ✓ | ✓ | ✗ | ✓ | ✓ | ✓ | | B | ✗ | ✗ | ✓ | ✓ | ✗ | ✓ | ✗ | | C tone N | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | | C tone H | ✗ | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ | | C tone L | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ | ✗ | | D | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | | E | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | | F | ✗ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | | G | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | | H | ✗ | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ | | I | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ | | J | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
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Note. ✓: OTC hearing aid matched prescriptive target.
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