Table 5.
Data of evoked potentials
| Outcome | Good | Poor | ||
|---|---|---|---|---|
| Left | Right | Left | Right | |
| Auditory evoked potentials (AEP) | ||||
| Latency I [ms] | 1.7 (0.2) | 1.7 (0.2) | 1.8 (0.2) | 1.8 (0.2) |
| Latency II [ms] | 3.0 (0.1) | 2.9 (0.2) | 2.9 (0.3) | 3.0 (0.2) |
| Latency III [ms] | 4.0 (0.1) | 4.0 (0.1) | 4.0 (0.3) | 4.1 (0.2) |
| Latency IV [ms] | 5.2 (0.2) | 5.1 (0.2) | 5.2 (0.3) | 5.2 (0.4) |
| Latency V [ms] | 6.0 (0.2) | 5.9 (0.2) | 6.0 (0.3) | 6.0 (0.4) |
| Visual evoked potentials (flash VEP) | ||||
| Latency I [ms] | 56.6 (13.1) | 55.0 (12.7) | 54.4 (13.5) | 54.3 (13.7) |
| Latency II [ms] | 82.1 (17.9) | 77.8 (12.4) | 83.1 (16.2) | 81.1 (14.9) |
| Latency III [ms] | 102.7 (14.2)* | 103.0 (11.3)** | 125.3 (25.7)* | 125.2 (25.1)** |
| Amplitude I/II [µV] | 7.2 (8.7) | 6.1 (4.7) | 5.9 (5.9) | 5.6 (5.8) |
| Amplitude II/III [µV] | 7.6 (6.0) | 7.1 (4.9) | 9.0 (9.2) | 10.0 (11.7) |
| Somatosensory evoked potentials (SSEP) of the median nerve | ||||
| N20 [ms] | 19.6 (1.0) | 20.2 (1.5) | 20.7 (2.0) | 21.3 (2.7) |
| P25 [ms] | 23.4 (2.0) | 24.1 (2.2) | 23.9 (2.2) | 24.5 (2.6) |
| Amplitude N20/P25 [ms] | 3.5 (2.1)** | 6.1 (4.7) | 1.7 (1.4)** | 5.6 (5.8) |
Significant differences between subjects with good and poor outcome are indicated as follows: * p < 0.05, ** p < 0.01 (t-tests).