Table 3.
Results and analyses of original ERP components
| Migraineurs | Healthy controls | Statistics | ||||||
|---|---|---|---|---|---|---|---|---|
| Original ERPs | Males | Females | Males | Females | Group F(1,88) | Gender F(1,88) | Group × Gender F(1,88) | |
| P3 | Amplitude (μV) | 4.321 ± 3.390 | 2.848 ± 2.613 | 4.451 ± 3.504 | 4.911 ± 4.025 | 12.564** | 2.684 | 9.757** |
| Latency (ms) | 407.130 ± 39.851 | 404.942 ± 38.794 | 408.531 ± 37.379 | 411.034 ± 38.426 | 1.465 | 0.003 | 0.574 | |
| N1 | Amplitude (μV) | −1.777 ± 1.669 | − 2.436 ± 1.991 | −2.656 ± 2.267 | −2.131 ± 1.951 | 1.042 | 0.056 | 4.434* |
| Latency (ms) | 107.106 ± 30.395 | 112.700 ± 30.348 | 112.058 ± 30.020 | 111.097 ± 33.639 | 0.212 | 0.406 | 0.812 | |
| P2 | Amplitude (μV) | 2.926 ± 2.128 | 1.915 ± 1.588 | 2.551 ± 2.366 | 3.084 ± 3.041 | 3.043 | 1.101 | 11.518** |
| Latency (ms) | 196.391 ± 39.526 | 193.541 ± 36.700 | 192.966 ± 35.580 | 190.720 ± 38.724 | 0.560 | 0.373 | 0.005 | |
| N2 | Amplitude (μV) | −0.864 ± 2.284 | −1.511 ± 1.868 | −1.261 ± 2.380 | −0.919 ± 2.590 | 0.104 | 0.254 | 2.676 |
| Latency (ms) | 281.449 ± 38.000 | 287.420 ± 32.518 | 287.444 ± 36.686 | 283.198 ± 35.468 | 0.066 | 0.063 | 2.203 | |
Data were expressed as mean ± SD
*P < 0.05, **P < 0.01 by repeated-measures ANOVA (Bonferroni correction)