TABLE 3

18F-FDG Parameters to Blood Flow Ratios Before and After Chemotherapy

RatioBefore chemo (mean ± SD)After chemo (mean ± SD)t test P value
Ki/flow0.068 ± 0.0460.028 ± 0.019<0.001
K1/flow0.50 ± 0.150.43 ± 0.170.11
k3/flow0.18 ± 0.150.069 ± 0.047<0.001
Ki/K10.15 ± 0.110.069 ± 0.048<0.001
Ki/flow (PV corrected)0.068 ± 0.0460.031 ± 0.024<0.001
K1/flow (PV corrected)0.50 ± 0.160.53 ± 0.400.70
k3/flow (PV corrected)0.17 ± 0.140.063 ± 0.054<0.001
Ki/K1 (PV corrected)0.15 ± 0.110.062 ± 0.047<0.001
Ki/flow (normal breast)0.020 ± 0.0220.016 ± 0.0210.34
Ki/K1 (normal breast)0.053 ± 0.0470.039 ± 0.0430.17
  • chemo = chemotherapy.