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Audiometric thresholds and standard deviation across frequencies for the hearing impaired subjects in the Henry et al. (2005) study.
| 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz | |
|---|---|---|---|---|---|---|
| Mean | 32 | 32 | 43 | 56 | 63 | 68 |
| SD | 16 | 16 | 21 | 18 | 17 | 17 |
| Range | 10–60 | 10–70 | 15–100 | 25–100 | 15-no response | 15-no response |
