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. 2011 May 17;17(1):116–132. doi: 10.1093/deafed/enr021

Table 2.

Background and audiometric information for children in the CI group

Child Gender HL identified (months) Age at first CI activation (months) Age at second CI activation (months) Etiology Device (Processing strategy) Pre-CI thresholds (unaided better ear-dB HL) Mean CI-aided thresholds (SF or better ear) 6–12 mo (dB HL) NISP
Unilateral CI
ABHO F NHS 27 Unknown PSP (HiRes-P) 89 18.75 48
ANLO F 12 30 Unknown/ family history Freedom (ACE) Aided 78; NR >4k 30 18
DAST M 11 21 Malformed cochlea Freedom (ACE) 76; NR >4k 18 44
GIAI F NHS 13 Unknown Freedom (ACE) 100 23 66
JAES M NHS 16 Unknown PSP (HiRes-P) Bilateral profoundb 13 20
JAWE F NHS 19 Connexin 26 PSP and Harmony (HiRes-P) Mod-severe to profoundc 21 40
JOIR M NHS 12 Unknown Freedom (ACE) 106 20 25
JORO F NHS 36 Unknown Freedom (ACE) 96; NR >2k 26 16
OLHE F NHS 25 Unknown/ dysplasiad Freedom (ACE) 80 38 66
OWJO M NHS 9 Unknown Freedom (ACE) NR 19 72
Bilateral CI
CAST F NHS 13 19 Unknown Freedom (ACEe) NR ABR 30 30
JOLO F 13 21 21 Unknown Freedom (ACE) 94 28 48
MAMA F 13 18 20 Unknown Freedom (ACE) 100 25 12
M 20.00 18.13 23.83 38.9
SD 7.83 4.17 6.61 20.6

Note. CI, cochlear implant; SF, sound field; NISP, Nittrouer Index of Social Position (Nittrouer, & Burton, 2005); PSP, Platinum Series Sound Processor; HiRes, HiResolution; ACE, Advanced Combinational Encoder; NR, no response to pure- or warble tones; ABR, Auditory Brainstem Response; and NHS, Newborn Hearing Screening.

aJORO was identified with a mild bilateral loss by ABR testing at 1 month, bilateral mild to severe loss at 19 months, and a moderately severe to profound loss (right ear) with a severe to profound hearing loss (left ear) at 20 months of age.

b

No audiogram on file; hearing loss reported as “bilateral profound.”

c

No actual audiogram on file; hearing loss reported as “moderately severe to profound.”

d

Bulbous deformity on apical turns bilaterally.

e

Sound field.