TABLE 1.

Subject Information and PET Scan Parameters

	11C-EKAP			11C-FEKAP
Parameter	Test	Retest	P	Test	Retest	P
Injected dose (MBq)	625 ± 85	534 ± 121	0.07	447 ± 180	519 ± 223	0.38
Molar activity at time of injection (MBq/nmol)	244 ± 63	205 ± 84	0.35	188 ± 119	237 ± 126	0.43
Injected mass (μg)*	1.15 ± 0.31	1.20 ± 0.35	0.71	1.21 ± 0.39	1.03 ± 0.32	0.34
f P	24.6% ± 2.8%	24.5% ± 3.1%	0.96	6.3% ± 0.9%	6.2% ± 0.8%	0.73

^*Mass limit, 0.02 μg/kg.

n = 6/group.