Table 4.
Outcomes for contralesional motor-evoked potentials.
| Variable | Groups | Within-group differences | Between-group differences | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre-treatment | Post-treatment | Mean (SD) | LS Mean (95% CI) | Difference in LS Mean (95% CI) | p value | |||||
| VNS | sham | VNS | sham | VNS | sham | VNS | sham | |||
| MEP (μV) | 247.5 (143.5) | 202.3 (125) | 288.8 (180.5) | 279.7 (277) | 41.4 (202.6) | 77.3 (313.9) | 62.1 (−45.9, 170.1) | 56.6 (−51.4, 164.6) | 5.5 (−143.3, 154.3,) | 0.943 |
| Latency (ms) # | 19.1 (6.7) | 17.3 (4.8) | 13.1 (6.3) | 19.9 (11.3) | −6.0 (4.1) | 2.6 (11.7) | −5.7 (−9.6, −1.8) | 2.2 (−1.7, 6.1) | −7.9 (−13.3, −2.5) | 0.007 |
Based on an ANCOVA model after adjusting baseline value. ANCOVA, Analysis of Covariance, CI, Confidence Interval, LS, Least Squares, SD, Standard Deviation; MEP, motor-evoked potential amplitude; #significant time × intervention interaction.