For male-specific relationships, SUSD4-inflammatory bowel disease (Inverse variance weighted (IVW) fixed effects meta-analysis MR estimate q-value in males = 0.038, in females = 1.00) and NCAM1-dementia (q-value in males = 0.045, q-value in females = 1.00) pairs were identified. This evidence concerns the gene SUSD4 and dementia.