Comparisons of Auditory Performance and Speech Intelligibility after Cochlear Implant Reimplantation in Mandarin-Speaking Users

Table 1

Demographic backgrounds of the cases.

	Linkou	Kaohsiung & Xiamen	Total
Total number of CI patients	401	188	589
Gender (male/female)	210/191	102/86	312/277
Implanted ear (right/left)	186/215	103/85	289/300
Age at implantation (years)
3.0	160	80	240
3.1–5.0	88	49	137
5.1–18.0	100	34	134
18.0	53	25	78
CI device
CI24M	61	7	68
CI24R (CS, CA)	92	81	173
CI24RE (Freedom)	194	75	269
CI512	43	14	57
CI422	11	11	22
Incision method
Inverted J	222	33	255
Minimally invasive	179	155	334
Etiology
Congenital	243	144	387
LVAS	61	13	74
Progressive	21	6	27
Inner ear anomaly	28	5	33
Waardenburg syndrome	8	3	11
Meningitis	7	1	8
Sudden deafness	3	4	7
Multiply handicapped	5	3	8
Other	25	9	34