Table 1.
Average LDLs of all patients, of the subgroup of patients with normal hearing thresholds, and normative estimates for LDLs from a study by Sherlock and Formby (12).
| 125 Hz | 250 Hz | 500 Hz | 1 kHz | 2 kHz | 4 kHz | 6 kHz | 8 kHz | |
|---|---|---|---|---|---|---|---|---|
| Patient LDLs (dB HL) | 77.0 | 83.4 | 85.4 | 85.1 | 83.7 | 84.0 | 85.4 | 78.0 |
| SD (dB) | 14.6 | 15.7 | 15.7 | 15.3 | 16.0 | 18.1 | 19.2 | 18.8 |
| NH patient LDLs (dB HL) | 76.7 | 82.1 | 84.1 | 84.0 | 81.3 | 79.4 | 78.5 | 71.3 |
| SD (dB) | 15.2 | 15.8 | 15.9 | 15.1 | 15.1 | 16.4 | 17.5 | 18.6 |
| Normative LDLs (dB HL) | 102.2 | 103.9 | 101.7 | 100.9 | ||||
| SD (dB) | 11.8 | 10.7 | 12.0 | 13.6 |