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 | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
|
|
Note. ✓: OTC hearing aid matched prescriptive target.
|