Skip to main content
Fig. 3 | The Journal of Headache and Pain

Fig. 3

From: Non-invasive Vagus Nerve Stimulation (nVNS) as mini-prophylaxis for menstrual/menstrually related migraine: an open-label study

Fig. 3

Change in Analgesic Use per Month (ITT Population)a. Abbreviations: ITT, intention-to-treat; nVNS, non-invasive vagus nerve stimulation; SEM, standard error of the mean. aData are mean ± SEM; mean differences between treatment groups may not reflect calculated differences because of rounding; P values are from the t test; missing data were imputed using the last observation carried forward

Back to article page