Table 3.

Means and standard deviations (SD) of speech intelligibility rating (SIR) and categories of auditory performance (CAP) scores of people with cochlear implants (CI) in time intervals of 6 to 24 months, according to status of language acquisition at the time of surgery (pre-lingual, post-lingual), (n = 184)

CAP 24	CAP 18	CAP 12	CAP 6	SIR 24	SIR 18	SIR 12	SIR 6	Status of language acquisition at the time of surgery
145	145	145	145	145	145	145	145	N	Pre-lingual
7.18	6.23	5.18	3.79	4.2	3.55	2.7	1.54	Mean
1.44	1.28	1.27	1.10	0.89	0.91	0.89	0.63	SD
39	39	39	39	39	39	39	39	N	Post-lingual
7.74	6.87	6.13	5.08	4.72	4.49	4.15	3.23	Mean
1.35	1.61	1.92	1.95	0.56	0.82	1.16	1.50	SD
0.019	0.006	0.031	0.005	0.002	0.000	0.000	0.000	P value