Table 6.
Absolute amplitudes during TMBEA in cirrhotics and controls.
| Absolute Amplitude (µV) | Cirrhosis (n = 29) | Controls (n = 29) | p-value (Mann-Whitney U) | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD* | Median | Mean | SD* | Median | ||
| Delta (less than 4 Hz) | 7.4 | 4.9 | 5.4 | 9.4 | 7.6 | 5.7 | 0.32 |
| Theta (4 to 7 Hz) | 6.3 | 3.2 | 5.6 | 6.8 | 3.9 | 4.7 | 0.76 |
| Alpha (8 to 12 Hz) | 6.5 | 2.6 | 5.7 | 7.3 | 3.1 | 6.5 | 0.20 |
| Beta 1 (13 to 16 Hz) | 3.4 | 1.2 | 3.1 | 3.8 | 1.2 | 3.7 | 0.06 |
| Beta 2 (17 to 20 Hz) | 2.2 | 0.8 | 1.9 | 2.5 | 0.8 | 2.3 | 0.02 |
| Beta 3 (21 to 28 Hz) | 1.5 | 0.5 | 1.4 | 1.6 | 0.5 | 1.4 | 0.19 |
*Standard deviation.