Values are mean ± standard deviation or number (%).
CR, contractile reserve; DSE, dobutamine stress echocardiography; LVEDV,
left ventricular end-diastolic volume; LVEDVI, left ventricular
end-diastolic volume index; LVEF, left ventricular ejection fraction;
LVESV, left ventricular end-systolic volume; LVESVI, left ventricular
end-systolic volume.