Fig. 6

Leave-one-out plots of the causal impact of dementia on migraine. Leave-one-out plots show the association between any dementia (A), Alzheimer’s disease (B), vascular dementia (C), frontotemporal dementia (D), dementia with lewy bodies (E) and migraine when 5 types of dementia are the risk factors, using IVs that excluded 1 SNP at a time from the overall instrumental variable or using IVW as an MR method to exclude all SNPS. Bars show effect size and 95% confidence interval