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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