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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

From: Efficacy of frovatriptan in the acute treatment of menstrually related migraine: analysis of a double-blind, randomized, cross-over, multicenter, Italian, comparative study versus rizatriptan

 

Frovatriptan

Rizatriptan

 

p

Pain free episodes at 2 hours

 

 Mild

3 (20)

8 (40)

NS

 Moderate-severe

12 (80)

12 (60)

 

Pain free episodes at 24 hours

   

 Mild

2 (6)

13 (24)

<0.01

 Moderate-severe

31 (94)

23 (76)

 
  1. p refers to the statistical significance of the difference between the two study drugs