TABLE 4

Values of Recovery Coefficients for Striatal Phantom

Compartment	Approach	Half-life*	Activity^†	ARC^‡ (mean ± SD)
White matter	Uncorrected	95.26	88.31	105.00 ± 4.57
	Sinogram	99.39	98.81	103.55 ± 0.60
	Image	99.75	96.60	102.43 ± 0.24
Right caudate	Uncorrected	87.03	74.56	67.11 ± 1.79
	Sinogram	93.28	90.18	104.37 ± 1.34
	Image	95.30	98.74	95.35 ± 0.84
Left caudate	Uncorrected	86.55	72.02	64.53 ± 1.79
	Sinogram	92.70	94.35	99.92 ± 1.41
	Image	96.18	97.03	94.34 ± 0.67
Right putamen	Uncorrected	86.57	73.78	66.13 ± 1.83
	Sinogram	91.85	96.37	97.33 ± 1.54
	Image	94.89	96.29	92.69 ± 0.89
Left putamen	Uncorrected	85.22	75.29	66.62 ± 2.07
	Sinogram	88.97	95.53	95.71 ± 2.12
	Image	93.02	98.30	93.22 ± 1.25