Table 4.
Auditory thresholds (dB NA) for right and left ears at 9000 to 18000Hz in males aged between 7 to 12 years in Group 2.
| Group 2. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 9.000 | 10.000 | 11.200 | 12.500 | 14.000 | 16.000 | 18.000 | |||||||
| RE | LE | RE | LE | RE | LE | RE | LE | RE | LE | RE | LE | RE | LE | |
| 7 | 15 | 15 | 15 | 15 | 20 | 20 | 15 | 20 | 20 | 15 | 15 | 20 | 20 | 20 |
| 7 | 20 | 20 | 15 | 15 | 15 | 15 | 15 | 20 | 20 | 20 | 20 | 25 | 25 | 25 |
| 8 | 15 | 10 | 10 | 15 | 20 | 20 | 20 | 15 | 15 | 20 | 20 | 15 | 20 | 20 |
| 9 | 10 | 10 | 10 | 10 | 15 | 15 | 15 | 20 | 20 | 25 | 25 | 25 | 25 | 25 |
| 10 | 5 | 10 | 5 | 15 | 15 | 20 | 15 | 15 | 20 | 20 | 25 | 35 | 20 | 35 |
| 10 | 5 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 11 | 15 | 15 | 15 | 20 | 15 | 15 | 20 | 20 | 25 | 30 | 20 | 30 | 20 | 35 |
| 12 | 10 | 10 | 10 | 15 | 10 | 10 | 10 | 15 | 15 | 20 | 25 | 25 | 25 | 30 |
| 12 | 20 | 20 | 20 | 20 | 25 | 25 | 25 | 20 | 20 | 20 | 25 | 30 | 30 | 30 |
| Mean | 12,8 | 12,8 | 12,2 | 15 | 16,1 | 16,7 | 16,1 | 16,1 | 18,3 | 20 | 20,6 | 23,9 | 21,7 | 25,6 |