TABLE 2

Kinetic Rate Constants for FDG and 1-¹¹C-Glucose from Different Human Studies

Reference	Year	K*₁	k*₂	k*₃	k*₄
		¹⁸F-FDG normal gray matter rate constants
Huang et al. (6)	1980	0.102	0.130	0.062	0.0068	0.0329
Brownell et al. (34)	1983	0.140	0.200	0.030	—	0.0183
Heiss et al. (35)	1984	0.089	0.137	0.069	—	0.0295
Reivich et al. (2)	1985	0.095	0.125	0.069	0.0055	0.0338
Evans et al. (36)	1986	0.084	0.150	0.099	—	0.0334
Sasaki et al. (37)	1986	0.074	0.071	0.049	—	0.0302
Lammertsma et al. (21)	1987	0.069	0.109	0.113	0.0200	0.0351
Kuwabara et al. (38)	1990	0.068	0.095	0.059	—	0.0261
Jagust et al. (39)	1991	0.161	0.168	0.098	—	0.0593
This study
Floating k₄	2001	0.121	0.172	0.125	0.0089	0.0505
k₄ = 0	2001	0.158	0.301	0.084	—	0.0345

Reference	Year	K₁	k₂	k₃	k₄
		1-¹¹C-Glucose whole-brain rate constants
Blomqvist et al. (5)	1990	0.083	0.33	0.35	0.01	0.0427
This study	2001	0.071	0.070	0.236	0.012	0.0548