Cervical and ocular vestibular evoked myogenic potentials in epileptic patients

The Egyptian Journal of Otolaryngology

Table 2 The peak latencies and amplitudes of o and c VEMP

			Control group (n=60 ears) mean ±SD	Study group (n=60 ears) mean ±SD	Test of significance*	P value
cVEMP	Latency (ms)	P1	13.83±1.50	15.20±3.07	t=3.11	0.002*
	Latency (ms)	N1	22.40±1.98	24.36±3.94	t=3.44	<0.001*
	P1N1 amplitude (μv)		15.57±2.63	17.18±3.77	t=2.71	0.008*
	Amplitude ratio (n=30)		18.86±5.68	22.50±7.01	t=2.02	0.04*
oVEMP	Latency (ms)	N1	10.98±1.99	14.64±3.20	t=7.52	0.003*
		P1	15.78±3.91	17.70±2.72	t=3.12	0.005*
	N1P1 amplitude (μv)		10.52±3.65	11.81±2.89	t=2.15	0.02*
	Amplitude ratio (n=30)		16.86±4.38	21.07±9.99	U=2.11	0.03*

This table shows that there is statistical significant difference between the studied groups regarding the recorded parameter in c and o VEMP
cVEMP cervical evoked myogenic potential, oVEMP ocular evoked myogenic potential, SD standard deviation, t student’s t test, U Mann-Whitney test
* = statistical significance