TABLE 1.

Subject Information and PET Scan Parameters

Parameter	Test (n = 6)	Retest (n = 6)	Baseline (n = 5)	Blocking (n = 5)
Age (y)	38 ± 10		43 ± 2
Body weight (kg)	81 ± 16		88 ± 13
Injected dose (MBq)	559 ± 109	584 ± 152	601 ± 74	579 ± 141
Specific activity at injection (MBq/nmol)	452 ± 83	400 ± 100	139 ± 42	158 ± 31
Injected mass (μg/kg)	0.006 ± 0.002	0.008 ± 0.004	0.021 ± 0.008	0.017 ± 0.006

Data are mean ± SD. Age and weight are for test and retest groups combined and for baseline and blocking groups combined.