Table 1 Demographics and clinical characteristics of patients with superior semicircular canal dehiscence.

Case no.	Sex/age	Operation (approach)	Location	FU period^a (months)	Autophony		Ear fullness		Subjective hearing loss		Dizziness		Tullio/Hennebert		Pulsating tinnitus
Case no.	Sex/age	Operation (approach)	Location	FU period^a (months)	Pre	Post	Pre	Post	Pre	Post	Pre	Post	Pre	Post	Pre	Post
1	F/40	R) plugging (MFA)	AE	17	●*	NP	●	NP	NP	NP	●	NP	NP	NP	●	○
2	F/50	L) plugging (MFA)	SPS encasing	12	●*	○	●	NP	●	○	●	NP	NP	NP	●	○
3	F/47	R) plugging (MFA)	AE	7	●*	NP	●	NP	●	NP	NP	NP	NP	NP	●	NP
4	M/56	L) plugging (MFA)	AE	10	●*	NP	NP	NP	NP	NP	●	NP	NP	NP	●	NP
5	M/47	L) plugging (MFA)	AE	36	●*	NP	●	NP	NP	NP	●	NP	●	NP	●	NP
6	M/26	L) plugging (MFA)	AE	43	●	NP	●	NP	NP	NP	●*	○	●	NP	●	NP
7	F/45	R) plugging (MFA)	AE	31	●	NP	NP	NP	NP	NP	●*	○	●	NP	●	○

M male, F female, R right, L left, B bilateral, MFA middle fossa approach, AE arcuate eminence, SPS superior petrosal sinus, FU follow up, NP not present, ● present, ○ improved but remained.
*Chief complaint.
^aNote that refers to period of follow-up from the surgery to the present. The status if postoperative symptoms after surgery is based on the present.

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