PRISMA checklist, PRISMA flowchart, and forest plot

"CYP2C19 polymorphism and coronary in-stent restenosis" is a systematic review and meta-analysis study that uses PRISMA guidelines. The flow diagram depicts the flow information through the different phases. It maps out the number of records identified, included and excluded, and the reason for exclusions. Meanwhile, the PRISMA checklist comprises 27-item checklist addressing the introduction, methods, results, and discussion sections of this systematic review and meta-analysis. Data from inclusion studies were analyses using Review Manager 5.4. The CYP2C19 lost of function (LOF) gene was associated with a higher risk of ISR (OR 95% CI = 2.84 [1.54-5.24], p= 0.0008)<br>