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Table 2 Duration of one attack (in hours, mean and std. error) between those with sign positive and with sign negative shown in the table

From: “Pointing forehead”: a new physical sign in migraine

 

Sign positive group

Sign negative group

t value

Significance (p value)

Sign A

26.37 (±2.36)

21.09 (±1.44)

2.026

0.044

Sign B

22.14 (±1.65)

23.65 (±1.83)

0.593

0.553