Fig. 3From: Effectiveness and acceptability of noninvasive brain and nerve stimulation techniques for migraine prophylaxis: a network meta-analysis of randomized controlled trialsForest plot of primary outcome: (A) changes in monthly migraine days and (B) response rate. When the effect size was (A) < 0 (presented as the mean difference) or (B) > 1 (presented as the rate ratio), the specified treatment yielded (A) a better improvement in monthly migraine days or (B) a higher response rate than its corresponding sham/control group didBack to article page