| Total n. of ears | N. of ears with normal VEMP present | N. of ears with VEMP abnormal (increased latency/reduced amplitude) | N. of ears with VEMP absent |
Exposed | 120 | 42 (35.1%) | 44 (36.6%) | 34 (28.3%) |
Not exposed | 60 | 60 (100%) | 0 | 0 |