Table 5.
Frequency range involved for both subjects and controls
| Frequency | Subjects | Controls | ||
|---|---|---|---|---|
| Frequency | Percent | Frequency | Percent | |
| Low (0.25–0.5 kHz) | 11 | 22.9 | 6 | 30.0 |
| Mid (1–2 kHz) | 6 | 12.5 | 5 | 25.0 |
| High (4–8 kHz) | 31 | 64.6 | 9 | 45.0 |
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