Table 4.
Headache attacks post-GKR at 12 months follow-up
| Headache attacks post-GKR | Total of 24 cases | % | P-value |
|---|---|---|---|
| Free of headache | 15 | 62.5% | P = 0.001 |
| Decreased frequency and severity | 6 | 25.0% | P = 0.01 |
| No change | 3 | 12.5% |
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