Table 4.

Comparison of CAP assessment results for all groups before and after cochlear implantation.

Group	Before Implantation (mean rank value)	After activation
		3 Months (mean rank value)	6 Months (mean rank value)	12 Months (mean rank value)
Group A (N = 10)	48.10	42.50	36.40	32.45
Group B (N = 26)	54.88	46.27	53.77	63.65
Group C (N = 62)	47.47	51.98	49.82	46.31
t Value	1.73	3.85	3.79	12.79
P Value	0.420	0.146	0.151	0.002