Table 1.

Audiological findings of children with normal hearing and with SNHL

Audiological test	Children with normal hearing	Children with SNHL
Pure-tone average (PTA)	Less than or equal to 15 dB HL	Greater than 70 dB HL
Speech audiometry	Scores range from 90 to 100%	Scores range from 0 to 30%
Immittance evaluation	‘A’ type tympanogram	‘A’ type tympanogram
Distortion product otoacoustic emmission	Present	Absent
Auditory brainstem response	Present with latency and amplitude within normal range	Absent