Table 2 Insertion depth angles.

From: The effect of the surgical approach and cochlear implant electrode on the structural integrity of the cochlea in human temporal bones

Group

Mean PM-CO (n)

Mean PM-RW (n)

Mean LW-CO (n)

Mean LW-RW (n)

Main effect approach

Main effect array

Interaction

All

374 (8)

357 (8)

354 (8)

322 (8)

p = 0.31

p = 0.25

p = 0.74

(1) Minus TFs

410 (6)

375 (7)

365 (7)

322 (8)

p = 0.046

p = 0.01

p = 0.83

(2) Minus TFs and < 16E inserted

410 (6)

395 (6)

383 (5)

357 (5)

p = 0.09

p = 0.01

p = 0.63

(3) Full insertion (according to manufacturer)

412 (3)

398 (4)

407 (3)

372 (1)

p = 0.29

p = 0.46

p = 0.92

  1. Significant values are in bold.
  2. TF tip fold-over, PM perimodiolar, LW lateral wall, CO cochleostomy, RW round window, E electrode-contacts.
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