Kaplan–Meyer survival curve of 1313 patients following primary PCI Kaplan–Meyer survival curve of 1313 patients following primary PCI. The main figure shows survival to 900 days, and the smaller figure shows survival to 30 days. Kaplan–Meyer survival curve of 1313 patients following primary PCI. The main figure shows survival to 900 days, and the smaller figure shows survival to 30 days. PCI, percutaneous coronary intervention. Ataollah Doost Hosseiny et al. Open Heart 2016;3:e000405 ©2016 by British Cardiovascular Society