Candidate genes and the studies that reported their association with restenosis.

aThe direction of the association between genetic variation and the risk of restenosis, when effect size is not available;↓ protective effect, ↑ deleterious effect. Entrez nr; unique gene ID number used in NCBI database. Abbreviations: UK, unknown; NS, not significant; OR, odds ratio; HR, hazard ratio; RR, relative risk; Ref, reference.