Table 5 Motor-evoked potential at different time points (mean ± SD)
Group | Measurement | T1 | T2 | T3 | T4 |
|---|---|---|---|---|---|
Propofol group (n = 25) | ULA (uv) | 280 ± 148 | 307 ± 147 | 326 ± 154 | 326 ± 169 |
ULL (ms) | 20.7 ± 3.2 | 21.3 ± 2.2 | 21.6 ± 2.4 | 21.9 ± 2.3 | |
URA (uv) | 323 ± 139 | 307 ± 138 | 366 ± 164 | 343 ± 145 | |
URL (ms) | 21.2 ± 3.6 | 22.2 ± 4.0 | 21.8 ± 2.7 | 21.6 ± 3.5 | |
LLA (uv) | 152 ± 84 | 177 ± 82 | 208 ± 141 | 221 ± 113 | |
LLL (ms) | 38.9 ± 4.8 | 40.1 ± 5.7 | 40.2 ± 6.9 | 39.4 ± 6.6 | |
LRA (uv) | 127 ± 91 | 121 ± 84 | 140 ± 90 | 131 ± 105 | |
LRL (ms) | 39.0 ± 9.9 | 39.4 ± 10.6 | 40.4 ± 11.1 | 39.6 ± 4.2 | |
DP adjusted group (n = 23) | ULA (uv) | 293 ± 131 | 341 ± 207 | 313 ± 155 | 313 ± 178 |
ULL (ms) | 20.8 ± 2.1 | 21.8 ± 3.6 | 21.3 ± 3.6 | 20.9 ± 2.8 | |
URA (uv) | 256 ± 137 | 302 ± 193 | 303 ± 158 | 339 ± 206 | |
URL (ms) | 21.1 ± 2.6 | 20.6 ± 2.8 | 20.9 ± 3.0 | 21.5 ± 3.3 | |
LLA (uv) | 174 ± 135 | 185 ± 129 | 179 ± 106 | 153 ± 78 | |
LLL (ms) | 39.4 ± 5.2 | 39.5 ± 3.6 | 39.2 ± 3.2 | 37.3 ± 9.9 | |
LRA (uv) | 154 ± 77 | 173 ± 153 | 187 ± 137 | 160 ± 98 | |
LRL (ms) | 40.5 ± 3.9 | 40.6 ± 4.1 | 40.8 ± 5.0 | 41.3 ± 5.3 | |
DP unadjusted group (n = 23) | ULA (uv) | 354 ± 179 | 353 ± 116 | 343 ± 153 | 355 ± 158 |
ULL (ms) | 21.4 ± 2.3 | 21.3 ± 2.4 | 22.1 ± 4.0 | 23.1 ± 3.8 | |
URA (uv) | 354 ± 161 | 351 ± 191 | 316 ± 197 | 292 ± 163 | |
URL (ms) | 21.6 ± 2.6 | 21.7 ± 3.0 | 22.4 ± 4.0 | 23.1 ± 4.1 | |
LLA (uv) | 171 ± 114 | 196 ± 171 | 215 ± 178 | 169 ± 144 | |
LLL (ms) | 41.2 ± 4.4 | 40.0 ± 4.2 | 39.8 ± 3.5 | 39.9 ± 3.6 | |
LRA (uv) | 206 ± 153 | 207 ± 192 | 225 ± 177 | 199 ± 138 | |
LRL (ms) | 38.4 ± 10.7 | 39.8 ± 4.2 | 40.7 ± 4.7 | 38.2 ± 10.0 |