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Figure 3 Distribution of Improvement. Improvement over the study period for each of the 1,015 hospitals reporting for fibrinolytic therapy (A) and for each of the 421 hospitals reporting for percutaneous coronary intervention (B). For illustration purposes, those hospitals that improved by an average of 1 min for fibrinolytic therapy and 3 min for percutaneous coronary intervention are indicated in white; those hospitals that worsened by an average of 1 min for fibrinolytic therapy and 3 min for PCI are indicated in black; and those hospitals in between these times are indicated in the diagonal pattern.
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