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Figure 1 Seven-year mortality according to exercise test findings and composite prognostic nuclear score among patients without a history of prior revascularization. On the horizontal axis, "None" refers to patients with at least average physical fitness and normal heart rate recovery; "One" refers to patients with impaired physical fitness or abnormal heart rate recovery, but not both; and "Two" refers to patients with both impaired physical fitness and an abnormal heart rate recovery. The numbers underneath each of the bars refers to the number of deaths (numerator) and the total number of patients (denominator) in each subgroup.
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