Table 1.

Comparisons to historical controls. Percent (n/ sample size)

Test	Study subjects	Healthy controls	p-values
Bi-thermal caloric weakness, abnormal responses	31.8 (N=7)	16.1 (N=10)	0.21
Dix-Hallpike responses			0.005
a) normal	a) 59.1 (N=13)	a) 65.0 (N=39)
b) classical	b) 22.7 (N=5)	b) 1.7 (N=1)
c) nonclassical	c) 18.2 (N=4)	c) 33.3 (N=20)
cVEMP responses			0.03
a) normal	a) 53.9 (N=14)	a) 76.7 (N=46)
b) abnormal but measurable	b) 0	b) 0
c) unmeasurable	c) 46.2 (N=12)	c) 23.3 (N=14)
Summary VNG score, abnormal	95.5 (N=21)	59.7 (N=37)	0.002
Spontaneous nystagmus present	90.91 (N=20)	16.1 (N=1)	<0.001
TW eyes closed, abnormal	47.6 (N=10)	48.4 (N=30)	0.99
CTSIB head still, abnormal	72.7 (N=16)	67.7 (N=42)	0.70
CTSIB head yaw, abnormal	86.4 (N=19)	66.1 (41)	0.10
CTSIB head pitch, abnormal	45.4 (N=10)	87.1 (N=54)	0.52