Table 1.

Background and audiometric information for children in the CI group. Ages in months.

Child Code (gender- age at implant)	Etiology	Age Identified	Age at CI Activation	Age at Testing	Device (Processing Strategy)	Pre-CI Better-ear Unaided Thresholds (dB HL)	Averaged CI-aided Thresholds (dB HL, all available frequencies) at 18 – 24 months post- activation
M-36	Unknown	32	37	61	Clarion (CIS)2	NR1	22
F-30	Connexin 26	12	31	55	Nucleus 24 (ACE)3	92.5	26
F-28	Unknown	23	29	53	Clarion (CIS)	NR	32
F-20	CMV4	10	21	45	Clarion (CIS)	NR-ABR5	28
F-19	Unknown	1	20	44	Clarion (CIS)	96	27.5
M-10	Unknown	2 days	11	35	Clarion (CIS)	NR	22

¹No response to pure- or warble-tones,

²Continuous Interleaved Sampling,

³Advanced Combination Encoder,

⁴Cytomegalovirus,

⁵Auditory Brainstem Response