Table 4. Comparisons of the clinical factors between VN with ipsilateral VA abnormality and VN with contralateral VA abnormality

Parameters	VN with ipsilateralVA abnormality (n=9)	VN with contralateralVA abnormality (n=3)	p-value
Side of lesion
Right	3 (33.3%)	1 (33.3%)
Left	6 (66.7%)	2 (66.7%)
Caloric test
Canal paresis value	52.22±30.29	42.33±18.56	0.612
Canal paresis (≥25%)	7 (77.8%)	2 (66.7%)	0.700
cVEMP
Normal cVEMP	7 (77.8%)	1 (33.3%)
Abnormal cVEMP*	2 (22.2%)	2 (66.7%)	0.157
Extension of lesion
Total VN	2 (22.2%)	2 (66.7%)
Superior VN	5 (55.6%)	0 (0%)
Inferior VN	0 (0%)	0 (0%)
Minimal VN	2 (22.2%)	1 (33.3%)	0.211
Duration of spontaneous nystagmus (days)	4.00±2.00	4.00±2.46	1.00
Hospitalization period (days)	5.78±1.92	7.00±4.00	0.477
Duration of dizziness (days)	7.22±4.82	5.00±4.36	0.497
Underlying disease
Hypertension	3 (33.3%)	1 (33.3%)	1.00
Diabetes	1 (11.1%)	1 (33.3%)	0.371
Age	52.00±15.1	64.67±0.6	0.190

No wave, asymmetry>35%.
VN: vestibular neuritis, VA: vertebral artery, cVEMP: cervical vestibular evoked myogenic potential.