Abbreviations a. A = the primary PCI alone group, B = the immediate or early PCI group b. low risk, i.e., if they were < 60 years old and had a localized inferior infarction...

From: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009). Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement. PLoS Med...