Normal limits | |||||
---|---|---|---|---|---|
Potential | Ear | Controls (n=15) | Absolute | Ratio left:right | Patients (n=22) |
Data are mean (SD). Normal limits are –3SD (absolute), mean ±3SD (ratio left: right). Significant intergroup differences (Mann-Whitney U test, two tailed, before Bonferroni correction): *p<0.05. | |||||
Responses to onset (O) | |||||
ON1 | Left | 5.9 (1.7) | 2.6 | 0.35 | 5.0 (2.1) |
Right | 6.3 (1.8) | 2.3 | 2.62 | 5.4 (2.2) | |
OP2 | Left | 11.4 (2.6) | 5.6 | 0.58 | 9.0 (3.2)* |
Right | 11.5 (2.7) | 5.4 | 1.70 | 9.4 (2.8)* | |
Responses to frequency change (C) | |||||
CN1 | Left | 7.1 (2.1) | 2.5 | 0.35 | 6.3 (2.2) |
Right | 7.1 (2.4) | 1.9 | 3.00 | 6.0 (2.4) | |
CP2 | Left | 13.2 (3.3) | 5.8 | 0.58 | 11.2 (3.5) |
Right | 12.8 (4.1) | 4.4 | 1.92 | 10.9 (3.5) | |
Responses at the end of oscillatory frequency changes (M) | |||||
MN1 | Left | 4.2 (2.1) | 0.8 | 0.26 | 3.8 (2.1) |
Right | 4.2 (1.9) | 0.9 | 3.62 | 3.9 (2.1) | |
MP2 | Left | 9.7 (3.1) | 3.5 | 0.37 | 8.5 (3.1) |
Right | 8.4 (3.9) | 2.0 | 3.82 | 8.0 (2.7) |