Table 1 Dynamics (DPOAE suppression onset latency and time constants) and amplitude of contralateral DPOAE suppression in different age groups
From: Age related changes to the dynamics of contralateral DPOAE suppression in human subjects
Age group (years) | N | Age (years) | Suppression amplitude (dB) | Onset latency (ms) | Onset time constants (ms) | ||||
|---|---|---|---|---|---|---|---|---|---|
Ave. | SD | Ave. | SD | Ave. | SD | Ave. | SD | ||
neonates (<3Â month) | 40 | 2.5 (week) | -6.7 to 15 (week) | 3.0 | - | 60 | - | - | - |
1 - 10 | 13 | 6.3 | 2.9 | 0.18 | 0.15 | 79.2 | 18.7 | 379.8 | 64.8 |
11 - 20 | 14 | 12.8 | 2.3 | 0.11 | 0.08 | 90.2 | 28.3 | 410.1 | 47.3 |
21 - 30 | 8 | 21.4 | 0.5 | 0.17 | 0.08 | 109.4 | 29.4 | 384.6 | 113.5 |
31 - 40 | 10 | 34.5 | 2.9 | 0.07 | 0.04 | 115.8 | 45.9 | 415.0 | 59.1 |
41 - | 6 | 44.5 | 4.9 | 0.05 | 0.02 | 137.5 | 44.5 | 379.5 | 115.3 |
total | 15 | 15.9 | 11.4 | 0.13 | 0.11 | 94.2 | 32.0 | 396.0 | 65.4 |