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

Table 2

Results of multiple regression analysis regarding contributions of factors to the speech performance of CI.

Variable	CAP score at 24 months after CI		CAP score at 36 months after CI		Open-set word score at 24 months after CI		Picture vocabulary test (percentile) at 24 months after CI
	β	value	β	value	β	value	β	value
Age at CI		ns		ns		ns		ns
BCNC Width		ns		ns	0.533	0.001		ns
CND		ns		ns		ns	0.346	0.015
Duration of hearing aids use		ns	−0.244	0.048		ns		ns
Residual hearing		ns		ns		ns		ns

CI: cochlear implantation; CAP: categories of auditory performance; CND: cochlear nerve deficiency; ns: nonsignificant.