Table 2.
Clincal outcomes
| Tumor size (cm) | N (%) | Mean preoperative hearing levels (dB) (0.5–4.0 kHz) | Total unilateral preoperative deafness (number of ears) | Average facial nerve function (HB grade/DEFS) | Vertigo | Intracranial hemorrhage | CSF leak | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Preoperative | Postoperative (6 weeks) | |||||||||||
| I/100% | II/76–99% | III/51–75% | I/100% | II/76–99% | III/51–75% | |||||||
| 0.5–2.0 | 13 (36%) | 65.9 | 2 | 13/100% | 0 | 0 | 6/100% | 7/83% | 0 | 1 (2.8%) | 0 | 0 |
| 2.1–4.0 | 18 (50%) | 57.3 | 5 | 15/100% | 3/87% | 0 | 1/100% | 17/81% | 0 | 2 (5.6%) | 0 | 0 |
| 4.1–5.0 | 5 (14%) | 63.8 | 4 | 0 | 4/82% | 1/66% | 0 | 3/77% | 2/59% | 4 (11.1%) | 1 (2.8%) | 1 (2.8%) |
| Total | 36 | 62.7 | 11 | 28/100% | 7/84% | 1/66% | 7/100% | 27/81% | 2/59% | 7 (19.5%) | 1 (2.8%) | 1 (2.8%) |
DEFS detailed evaluation of facial symmetry