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Figure 2 One-year survival curves for patients with CAVB complicating AMI in the prethrombolytic and thrombolytic eras. TTx (+) = thrombolytic therapy; TTx (–) = no thrombolytic therapy. When comparing the thrombolysed groups in 1992 and 1996 with the 1981 to 1983 cohort, p = 0.006.