Table 2

Clinical Correlates With CFR and Stress Flow (N = 1,876 Rest-Stress PET Cases)

Clinical Class (Without PET Data)Normal ValuesRisk FactorsCAD RevascularizationCAD No RevascularizationStress Angina/STΔp for All Δ for All Columns and Rows
Number of PET cases125195738714104
Regional stress flow2.7 ± 0.52.0 ± 0.81.7 ± 0.71.5 ± 0.71.0 ± 0.5<0.0001
 Regional CFR4.1 ± 0.72.7 ± 0.92.5 ± 0.92.3 ± 0.91.4 ± 0.6<0.0001
 Global stress flow2.9 ± 0.52.2 ± 0.82.0 ± 0.71.8 ± 0.71.4 ± 0.5<0.0001
 Global CFR4.3 ± 0.73.0 ± 1.02.8 ± 0.92.6 ± 0.91.9 ± 0.7<0.0001

CAD = coronary artery disease; CFR = coronary flow reserve; PET = positron emission tomography.

  • cc/min/gm.