Table 1.

Ears treated in total by each Author, with respective intraoperative features. (Figure legend: Ref. = reference; CSF = Congenital stapes fixation; JO = Juvenile Otosclerosis; TS = Tympanosclerosis; SF = Stapes fixation).

Author	Ref.	Ears	Aetiology of Conductive Hearing Loss
Page JC et al.	[10]	67	49 CSF, 4 JO, 14 TS
Sobolewska A et al.	[11]	34	30 JO, 4 CSF with absence of the annulus
Vincent R et al.	[12]	41	41 JO
An YS et al.	[13]	28	22 CSF, 6 JO
Neilan ER et al.	[14]	24	17 CSF, 7 JO
Carlson ML et al.	[15]	44	27 CSF, 17 JO
Lescanne E et al.	[16]	9	9 JO
Bachor E et al.	[17]	12	5 OTS, 6 CSF, 1 anomaly of oval window
Welling DB et al.	[18]	46	15 TS, 4 JO, 21 CSF, 6 SF with middle and external ear malformations