Table 2.

Vestibular neuritis.

Study	Study Type	n	Both Tests				Caloric Test		vHIT
			Both Normal	Both Abnormal	Dissociation	n Dissoc/n Total	Abnormality Definition (Unilateral Weakness)	Abnormal	Abnormality Definition (Unilateral Weakness)	Abnormal (Hor SCC)
Hannigan et al. 2021 [34]	Retrospective	31	0	26	5	5/31	CP ≥ 30%	31	gain < 0.8	26
Mekki et al. 2021 [48]	Prospective	24	5	6	13	13/24	CP ≥ 20%	18	gain < 0.8 or gain asymmetry > 8%	7
Kitano et al. 2020 [33]	Prospective	10	8	0	2	2/10	SPV response < 10°/s	2	gain < 0.8	0
Shugyo et al. 2020 [35]	Prospective	11	1	9	1	1/11	SPV < 20°/s	9	gain < 0.8	10
Jung et al. 2017 [32]	Retrospective	19	0	18	1	1/19	CP ≥ 25%	19	gain < 0.8 with corrective saccade	18
Bartolomeo et al. 2014 [47]	Prospective	29	Acute:			10/58	CP >30%	Acute: 29	gain < 0.8	Acute: 26
			0	26	3
			Follow-up:					Follow-up: 20		Follow-up: 13
			9	13	7
Mahringer & Rambold 2014 [30]	Retrospective	29	Acute:			13/59	CP ≥ 25%	Acute: 29	gain < 0.8	Acute: 26
			0	26	3
		30	Non-acute:					Non-acute: 30		Non-acute: 20
			0	20	10
Summary						21.2% (45/212)

CP: caloric paresis, SPV: slow phase velocity.