Table 2.	Subjective symptoms and test results
Patient	Pre-MVA	Post-MVA	Pre-MVA	Early Post-MVA	Late Post-MVA	Frequency	Other Post- MVA
	Symptoms	Symptoms	Audiogram (PTA)	Audiogram (PTA)	Audiogram (PTA),	Affected	Testing
			& Configuration	& Configuration	Configuration
1* (perf)	HL	LHL, TINN, DIZ, FULL	20 dB (left)	None	28 dB (left)	High (left)	None
			flat SNHL		sloping mixed loss
2	HL, TINN	RHL, TINN	34 dB (right)	45 dB (right)	33 dB (right)	Middle &	Metabolic screen normal
			sloping SNHL	falling SNHL	sloping SNHL	High (right)
3	HL	RHL, TINN, FULL	35 dB (right)	46 dB (right)	45 dB (right)	Middle &	Head CT normal
			sloping SNHL	sloping SNHL	sloping SNHL	High (right)	Metabolic screen normal
4 (perf)	None	LHL, DIZ	None	45 dB (left)	19 dB (left)	All (left)	Head CT normal
				flat CHL	flat CHL		Head MRI normal
5	RHL, TINN	RHL, LHL, TINN, DIZ	23 dB (left)	33 dB (left)	30 dB (left)	Middle (both)	Head CT normal
			45 dB (right)	58 dB (right)	57 dB (right)	High (both)	Head MRI normal
			flat SNHL	flat SNHL	flat SNHL		ENG normal
6	LHL	RHL, LHL, TINN	36 dB (left)	40 dB (left)	40 dB (left)	Middle &	Head CT normal
			32 dB (right)	41 dB (right)	51 dB (right)	High (both)	ABR normal
			flat SNHL	sloping SNHL	sloping SNHL		ECOG normal
7	RHL	RHL, LHL, TINN	None	None	25 dB (left)	Middle (left)	Head CT normal
					36 dB (right)	Low (right)	Plain films negative
					notched SNHL	High (both)
8	None	DIZ	None	None	8 dB (both)	None	Head MRI normal
					normal		Hallpike positive (left)
9	LHL, DIZ	LHL, DIZ, TINN	14 dB (left)	None	24 dB (left)	High (left)	ENG, MRI normal
			sloping SNHL		sloping SNHL		ECOG abnormal
							Rotary chair: abnormal
10	None	LHL, RHL, TINN, DIZ	None	None	26 dB (left)	Middle (left)	Head CT normal
		Bilateral otalgias			15 dB (right)	Low (left)	ENG normal
					sloping SNHL	High (both)	ECOG normal
11	None	LHL, TINN, DIZ	None	None	29 dB (left)	High (left)	Head CT normal
					15 dB (right)		Head MRI normal
					notched SNHL
12	None	LHL, RHL	None	39 dB (left)	46 dB (left)	All (both)	None
				39 dB (right)	48 dB (right)
				sloping SNHL	sloping SNHL
13**	HL, TINN	LHL, TINN, DIZ	11 dB (left)	21 dB (left)	29 dB (left)	All (left)	Head CT normal
		Chronic otalgias	normal	falling mixed loss	falling mixed loss		Head MRI normal
14	None	RHL, TINN, FULL	None	5 dB (right)	None	None	Plain films negative
				5 dB (left)
15	RHL, LHL	RHL, LHL, TINN, DIZ	None	None	17 dB (right)	Middle (both)	ENG: positional nystagmus
					17 dB (left)	High (both)	Metabolic screen normal
					falling SNHL bilateral
16	None	TINN, DIZ	None	None	5 dB (right)	None	ENG: normal
		Persistent otalgias			5 dB (left)		Metabolic screen normal
					normal
17*	None	TINN	None	None	None	None	None
18 (perf)	None	RHL, TINN, FULL	None	35 dB (right)	18 dB (right)	All (right)	None
				flat CHL	normal
19 (perf)	None	RHL, TINN, FULL	None	45 dB (right)	22 dB (right)	All (right)	None
				sloping mixed loss	sloping mixed loss
20	None	RHL, LHL, TINN, FULL	None	None	23 dB (right)	High (right)	MRI: normal
					14 dB (left)
* = History of a left tympanoplasty for a persistent perforation; ** = history of a left tympanomastoidectomy for chronic otitis; perf = tympanic membrane perforation;
MVA = motor vehicle accident; PTA = pure tone average; SNHL = sensorineural hearing loss; CHL = conductive hearing loss; dB = decibels; CT = computed tomography
scan; MRI = magnetic resonance imaging; ENG = electronystagmography; ABR = auditory brainstem response; ECOG = electrocochleography; RHL = right hearing loss;