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Figure 2 The Kaplan-Meier curve compares the overall survival free of recurrent infarction or stroke for patients randomized for angioplasty treatment (solid line) and thrombolysis treatment (dashed line) during 24 ± 6 months of follow-up (p = 0.003, relative risk: 3.1, 95% confidence interval: 1.4 to 7.0).