Table 4 Absolute (n) and relative (%) frequency of pain free episodes at 2 and 24 h according to baseline headache intensity in the two treatment groups
| Â | Frovatriptan | Rizatriptan | Â | p |
|---|---|---|---|---|
Pain free episodes at 2 hours | Â | |||
 Mild | 3 (20) | 8 (40) |
| NS |
 Moderate-severe | 12 (80) | 12 (60) |  | |
Pain free episodes at 24 hours | Â | Â | Â | |
 Mild | 2 (6) | 13 (24) |
| <0.01 |
 Moderate-severe | 31 (94) | 23 (76) |  | |
