. Author manuscript; available in PMC: 2015 Nov 1.

Published in final edited form as: Laryngoscope. 2014 May 30;124(0 6):S1–S7. doi: 10.1002/lary.24728

TABLE II.

Surgical Approach, Implant Type, and Electrode Location.

	Total	Cochleostomy	ERW	RW
	(N = 116)	(n = 38)	(n = 43)	(n = 35)
	N (%)	n (%)	n (%)	n (%)	P Value
Completely in the scala tympani?
Yes	82 (70.7)	14 (36.8)	36 (83.7)	32 (91.4)	<0.001
No	34 (29.3)	24 (63.2)	7 (16.3)	3 (8.6)
Within type of implant
LW Implant (N = 47) in ST?		(n = 11)	(n = 20)	(n = 16)
Yes	42 (89.4)	7 (63.6)	19 (95.0)	16 (100.0)	0.009
No	5 (10.6)	4 (36.4)	1 (5.0)	0 (0.0)
PM Implant (N = 69) in ST?		(n = 27)	(n = 23)	(n = 19)
Yes	40 (58.0)	7 (25.9)	17 (73.9)	16 (84.2)	<0.001
No	29 (42.0)	20 (74.1)	6 (26.1)	3 (15.8)

Abbreviations: ERW = extended round window; LW = lateral wall; PM = perimodiolar; RW = round window.