TABLE 9.

Open-set speech discrimination and mode of communication outcomes at last follow-up by age group at first implantation

Outcome	First CI ≤12 months (n = 34)	First CI >12 months (n = 170)	Statistical Significance
Attained open-set (%)	94.1	82.7	NS
Age at open-set (yr): mean (SD)	3.3 (0.6)	4.3 (1.5)	p ≤ 0.001
Receptive communication (%)			p ≤ 0.001a
Oral	88.2	52.4
Oral and sign	11.8	43.5
Sign	0.0	1.2
Other	0.0	2.9
Expressive communication (%)			p ≤ 0.001a
Oral	94.1	55.9
Oral and sign	5.9	34.7
Sign	0.0	2.4
Other	0.0	7.1
Oral communication exclusively	88.2	48.8	p ≤ 0.001

^aComparison of oral versus all others grouped.

NS = not significant.