TABLE 1

Kinetic Parameters by 2-TCM Using Parent as Input Function

RegionK1 (mL⋅cm-3⋅min−1)k2 (min−1)k3 (min−1)k4 (min−1)K1/k2 (mL⋅cm−3)k3/k4VT (mL⋅cm−3)AIC
Putamen0.292 ± 0.053 (1.7)0.073 ± 0.022 (15)0.133 ± 0.030 (21)0.043 ± 0.007 (8.6)4.25 ± 1.07 (13)3.19 ± 0.97 (17)17.3 ± 4.6 (2.0)−43 ± 21
Caudate0.248 ± 0.047 (1.7)0.051 ± 0.022 (19)0.110 ± 0.063 (38)0.051 ± 0.014 (17)5.71 ± 2.69 (18)2.09 ± 0.93 (27)16.2 ± 5.5 (2.6)−38 ± 16
Midbrain0.203 ± 0.044 (2.6)0.095 ± 0.026 (13)0.053 ± 0.028 (34)0.042 ± 0.009 (22)2.18 ± 0.37 (11)1.29 ± 0.55 (18)4.9 ± 1.1 (3.8)20 ± 20
Thalamus0.269 ± 0.042 (1.7)0.123 ± 0.024 (6.0)0.029 ± 0.018 (26)0.041 ± 0.023 (23)2.26 ± 0.55 (4.7)0.71 ± 0.20 (12)3.8 ± 0.8 (3.8)10 ± 16
Cerebellum0.265 ± 0.031 (1.2)0.141 ± 0.025 (3.5)0.013 ± 0.005 (23)0.023 ± 0.013 (30)1.94 ± 0.44 (2.6)0.67 ± 0.32 (15)3.2 ± 0.7 (6.3)−4 ± 29
  • Values are mean ± SD (n = 10), with percentage SE (which is inversely related to identifiability of parameters) in parentheses.