Table 1 Miscellaneous reasons for non-inclusion after telephonic screening
Reasons for non-inclusion | n | |
|---|---|---|
1 | History not compatible with ICHD defined migraine | 6 |
2 | No premonitory symptoms before headache during spontaneous attacks | 5 |
3 | Difficulty contacting patients after initial eligibility | 4 |
4 | Incomplete screenings | 4 |
5 | Outside age-range | 2 |
6 | Patient refusals due to GTN risk | 3 |
7 | Patient refusals due to – time factors, inadequate compensation, lack of interest or unwilling to get induced migraine | 7 |
Total | 31 |