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Dimensions (mm) of the CI electrodes used in the study: Nucleus Hybrid L24, Nucleus CI422 Slim Straight 20 and 25 mm, Nucleus CI24RE Contour Advance, HiFocus Mid-Scala, and HiFocus 1j.
| Implant | Electrode Length | Basal diameter | Apical diameter | Tip diameter |
|---|---|---|---|---|
| Cochlear Nucleus Hybrid L24 | 16 | 0.4 | 0.25 | n/a |
| Cochlear Nucleus Slim Straight CI422 | 20 and 25 | 0.6 | 0.3 | n/a |
| AB HiFocus Mid- scala | 18.5 | 0.7 | 0.5 | n/a |
| Cochlear Nucleus CI24RE Contour advance | 20 | 0.8 | 0.5 | 0.2 |
| AB HiFocus 1J | 25 | 0.8 | 0.4 | n/a |
