Ipsilateral and Contralateral Auditory Brainstem Response Reorganization in Hemispherectomized Patients

Table 3

Absolute latency, interpeak latency, and wave amplitude in hemispherectomized patients.

	Stimulation side/recording side				P value
	N/N (𝑛=8)	S/S (𝑛=8)	N/S (𝑛=8)	S/N (𝑛=8)
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Latency (ms)
L-I	1.61±0.09	1.60±0.10	—	—	0.660
L-III	3.91±0.07	3.75±0.24	3.82±0.14	3.72±0.25	0.087
L-V	5.90±0.24	5.56±0.27^†	5.97±0.21^‡	5.61±0.22^†§	<0.001*
Interpeak latency (ms)
IPL I–V	4.29±0.31	3.96±0.24	—	—	0.004*
IPL I–III	2.30±0.09	2.16±0.20	—	—	0.041*
IPL III–V	1.99±0.23	1.80±0.11	2.15±0.21^‡	1.89±0.14	<0.001*
Amplitude (μV)
A-III	0.13±0.07	0.15±0.14	0.11±0.13	0.21±0.18	0.265
A-V	0.61±0.38	0.61±0.42	0.46±0.38	0.42±0.23	0.190

A: amplitude; IPL: interpeak latency; L: absolute latency; N: nonsurgical side; S: surgical side; —: wave not detectable.
* P < 0.05 between the four groups.
^†Significant difference compared to N/N.
^‡Significant difference compared to S/S.
§Significant difference compared to N/S.