Fig. 4From: A causal effects of gut microbiota in the development of migraineCausal effect of the gut microbiome on MA in IHGC datasets based on MR analyses. From outside to inside, the P values of IVW, MR Egger, WMe, WMo, and SM are represented, respectively. MA, migraine with aura; IVW, inverse variance weighted; WMe, weighted median; WMo, weighted mode; SM, simple mode. MR, mendelian randomization; IHGC, international headache genetics consortiumBack to article page