Research Article

Diet-Derived Circulating Antioxidants and Risk of Stroke: A Mendelian Randomization Study

Table 1

Characteristics of diet-derived antioxidants and stroke datasets.

ExposuresData sourceSNP-statisticSample sizePopulation

Vit. C (ascorbate)Shin et al.1023.672,085European
Vit. E (α-tocopherol)Shin et al.571.427,725European
Vit. E (γ-tocopherol)Shin et al.755.226,226European
CaroteneMRC-IEU1376.9864,979European
Vit. A (retinol)MRC-IEU8136.2062,991European
ZincEvans et al.840.132,603European
SeleniumEvans et al.649.702,603European
OutcomesData sourceStudiesCases/controlsSample sizePopulation
StrokeMeta-analysis1740,585/406,111446,696European
Ischemic strokeMeta-analysis1734,217/406,111440,328European

Vit: vitamin; SNP: single-nucleotide polymorphism.