Table 2.
Average and standard deviations for measured real ear insertion gain (REIG), target REIG calculated using the NAL-RP prescriptive method, and the deviation from target (measured REIG – target REIG) for right and left ears.
| Frequency | Right ear | Left ear | ||||
|---|---|---|---|---|---|---|
| Measured REIG |
Target REIG |
Difference | Measured REIG |
Target REIG |
Difference | |
| 250 Hz | 5.8 (6.2) | 3.2 (3.9) | 2.6 (5.7) | 6.7 (9.2) | 3.6 (4.2) | 3.0 (8.2) |
| 500 Hz | 11.3 (9.3) | 14.2 (5.0) | −2.9 (8.8) | 11.2 (10.8) | 14.2 (5.7) | −3.0 (8.6) |
| 1000 Hz | 21.6 (10.1) | 26.1 (5.0) | −4.5 (8.7) | 20.6 (12.0) | 26.1 (5.2) | −5.5 (10.2) |
| 2000 Hz | 23.4 (9.7) | 25.6 (4.8) | −2.2 (8.5) | 22.9 (10.4) | 25.4 (4.3) | −2.5 (9.4) |
| 4000 Hz | 16.1 (9.0) | 25.9 (4.9) | −9.8 (9.1) | 15.6 (7.7) | 25.6 (4.8) | −10.0 (6.6) |
| 6000 Hz | 8.2 (11.8) | 26.3 (5.7) | −18.1 (14.0) | 6.3 (14.6) | 26.7 (5.9) | −20.5 (13.5) |