Table 5: Point system applied to the presented seventeen patients. Every column represents one of the categories and points given. Koos - Koos classification, Modiolus - extension (in connection to the Modiolus), Audio - audiometric results, summation of pure tone average and word recognition score) and PS eABR - promontory stimulation electrically evoked auditory brainstem response. In total, there are four categories. Points reflects the sum of all points. Class is the resulting group each patient is categorized into, according to amount of points. Patient 1 did not undergo PS eABR, which does not allow for a complete classification. CI – cochlear implant: yes if they were provided with a CI, no if no CI was placed.