18F-FDG Kinetic Parameters Before and After Chemotherapy for Response Groups
Parameter | Group | Before chemo (mean ± SD) | After chemo (mean ± SD) | t test P value |
---|---|---|---|---|
Ki* | mCR | 0.018 ± 0.015 | 0.0026 ± 0.0027 | <0.01 |
PR | 0.017 ± 0.010 | 0.0061 ± 0.0042 | <0.001 | |
NR | 0.035 ± 0.024 | 0.026 ± 0.020 | 0.03 | |
All | 0.020 ± 0.015 | 0.008 ± 0.011 | <0.001 | |
K1* | mCR | 0.14 ± 0.05 | 0.052 ± 0.029 | <0.001 |
PR | 0.13 ± 0.06 | 0.087 ± 0.040 | 0.02 | |
NR | 0.16 ± 0.04 | 0.19 ± 0.10 | 0.52 | |
All | 0.14 ± 0.05 | 0.09 ± 0.06 | <0.001 | |
k3† | mCR | 0.038 ± 0.029 | 0.0064 ± 0.0062 | <0.01 |
PR | 0.043 ± 0.022 | 0.016 ± 0.009 | <0.001 | |
NR | 0.073 ± 0.045 | 0.048 ± 0.037 | 0.02 | |
All | 0.046 ± 0.030 | 0.017 ± 0.020 | <0.001 | |
Ki (PV corrected) | mCR | 0.019 ± 0.014 | 0.0036 ± 0.0033 | <0.01 |
PR | 0.017 ± 0.010 | 0.0068 ± 0.0054 | <0.001 | |
NR | 0.035 ± 0.024 | 0.026 ± 0.020 | 0.03 | |
All | 0.020 ± 0.015 | 0.008 ± 0.011 | <0.001 | |
K1 (PV corrected) | mCR | 0.16 ± 0.05 | 0.073 ± 0.034 | <0.001 |
PR | 0.13 ± 0.06 | 0.12 ± 0.06 | 0.44 | |
NR | 0.16 ± 0.04 | 0.19 ± 0.10 | 0.52 | |
All | 0.14 ± 0.06 | 0.11 ± 0.07 | <0.001 | |
k3 (PV corrected) | mCR | 0.040 ± 0.033 | 0.0063 ± 0.0062 | <0.01 |
PR | 0.044 ± 0.022 | 0.015 ± 0.012 | <0.001 | |
NR | 0.073 ± 0.045 | 0.048 ± 0.037 | 0.02 | |
All | 0.046 ± 0.032 | 0.016 ± 0.021 | <0.001 |