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Figure 1 Mortality to 30 days for ST-segment elevation myocardial infarction patients treated with primary percutaneous transluminal coronary angioplasty (PTCA) versus fibrinolytic therapy (lytic). Reproduced with permission from the Primary Coronary Angioplasty Trialists' (PCAT) Collaborators (1). CI = confidence interval; SK = streptokinase; tPA = tissue plasminogen activator.