Table 2:

Common crus reference electrode angular depth and insertion length calculations and locations

Participant No.CC Insertion IntendedInsertion Depth AngleInsertion Length (mm)Anatomic Location of the Reference Electrode Tip
1Yes–3°39Common crus
2Yes+26°66Superior canal
3Yes–30°42Posterior canal
4Yes–57°21Posterior canal
5Yes+21°46Common crus
6Yes–2°41Posterior canal
7Yes+4551Common crus
8NoNANAOutside temporal bone
  • Note:—NA indicates not appliable.