Ipsilateral and Contralateral Auditory Brainstem Response Reorganization in Hemispherectomized Patients

Table 2

Absolute latency, interpeak latency, and wave amplitude in control subjects.

	Stimulation side/recording side				P value
	L/L (𝑛=10)	R/R (𝑛=10)	L/R (𝑛=10)	R/L (𝑛=10)
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Latency (ms)
L-I	1.58±0.14	1.61±0.19	—	—	0.407
L-III	3.72±0.13	3.73±0.15	3.71±0.17	3.70±0.15	0.868
L-V	5.57±0.20	5.55±0.21	5.67±0.17^‡	5.66±0.21^‡	0.010*
Interpeak latency (ms)
IPL I–V	3.99±0.23	3.94±0.17	—	—	0.384
IPL I–III	2.14±0.12	2.11±0.12	—	—	0.595
IPL III–V	1.85±0.15	1.82±0.13	1.96±0.15^‡	1.96±0.13^‡	0.004*
Amplitude (μV)
A-III	0.33±0.09	0.30±0.10	0.17±0.11^†‡	0.17±0.10^†‡	<0.001*
A-V	0.37±0.13	0.52±0.19	0.31±0.10^‡	0.39±0.18	0.003*

A: amplitude; IPL: interpeak latency; L: absolute latency; L: left side; R: right side; —: wave not detectable.
* P < 0.05 between the four groups.
^†Significant difference compared to L/L.
^‡Significant difference compared to R/R.