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Mean audiometric thresholds (dB HL) in the test ear for the two age groups. Standard deviations are in parentheses.
| 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz | |
|---|---|---|---|---|---|---|
| Younger | 2.50 (6.35) | -0.50 (5.99) | 2.50 (6.35) | 3.00 (5.87) | 1.00 (6.15) | 10.00 (7.07) |
| Older | 12.50 (5.89) | 10.00 (5.77) | 5.50 (6.85) | 10.50 (5.50) | 14.50 (7.98) | 35.71 (10.58) |
