TABLE I.
Number of subjects contributing data at each test frequency.
| Frequency (kHz) | Number of subjects |
|---|---|
| 0.5 | 15 |
| 0.71 | 18 |
| 1 | 14 |
| 1.41 | 15 |
| 2 | 16 |
| 2.83 | 12 |
| 4 | 21 |
| 5.66 | 16 |
| 8 | 11 |
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