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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 (<3 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
  1. The neonate data is derived from a previous report from our group [16].