Does the Width of the Bony Cochlear Nerve Canal Predict the Outcomes of Cochlear Implantation?

Table 1

Influencing factors on outcome of CI between 3 groups.

	Group 1	Group 2	Group 3	value
	()	()	()
Age at CI (months)	27.92 (±15.92)	29.32 (±9.84)	33.43 (±15.7)	0.450
Hearing aids applied (months)	13.47 (±11.8)	12.47 (±9.05)	12.75 (±14.01)	0.972
PTA at CI side (dB)	94.00 (±9.98)	100.35 (±11.05)	93.40 (±9.37)	0.102
PTA at contralateral side (dB)	96.23 (±11.78)	97.92 (±12.31)	92.52 (±10.16)	0.322
BCNC width (mm)	0.91 (±0.32)	1.89 (±0.17)	2.34 (±0.14)	<0.05
CND	13/17	3/14	0/25	<0.05

CI: cochlear implantation; PTA: pure tone average; BCNC: bony cochlear nerve canal; CND: cochlear nerve deficiency. Statistical analyses by Wilcoxon rank-sum test.