Table 4.
Mixed-effect model for the number of severe migraine days per week with the ‘patient ID’ being considered as random effect and the interaction between the brain stimulation condition and time as fixed effect.
| Predictors | Value | ||
|---|---|---|---|
| Estimates | CI | p Value | |
| (Intercept) | 1.11 | 0.20; 2.03 | 0.018 |
| Prefrontal | 0.72 | −0.30; 1.74 | 0.163 |
| Occipital | 3.78 | 2.76; 4.80 | <0.001 |
| Week 1 | 0.72 | −0.30; 1.74 | 0.163 |
| Week 2 | 0.17 | −0.85; 1.18 | 0.747 |
| Prefrontal × Week 1 | −1.72 | −3.16; −0.28 | 0.019 |
| Occipital × Week 1 | −2.44 | −3.88; −1.00 | 0.001 |
| Prefrontal × Week 2 | −0.83 | −2.27; 0.61 | 0.254 |
| Occipital × Week 2 | −1.61 | −3.05; −0.17 | 0.029 |
Significant p values are bolded.