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Figure 4 Paired analysis of the change in the nonculprit artery CTFC over time. Flow improved by 1.4 frames between 60 and 75 min (p = 0.007, median = 1), by 1.0 frame between 75 and 90 min (p = 0.02, median = 0.59) and by a total of 3.3 frames between 60 and 90 min after thrombolytic administration (p = 0.0001, median = 2).