Table 2.

Percentage biases of activity estimates from MC simulation experiments. The data are presented as bias±standard deviation.

Distribution	Isotope	Method	Left caudate	Left putamen	Right caudate	Right putamen	Background
I	123I	None	9.26±4.29	3.52±3.52	9.45±4.13	5.11±3.61	14.42±0.33
		Single	2.65±3.88	−0.29±3.00	2.15±3.74	1.01±3.97	−1.20±0.31
		altMBCC	1.74±4.18	−1.05±3.42	1.45±4.14	−0.01±3.53	−2.22±0.27
		simMBCC	2.20±4.16	−0.94±2.87	1.59±4.14	0.32±3.03	−1.74±0.27
	99mTc	None	20.28±5.05	26.68±5.75	22.02±4.89	27.87±6.67	32.28±0.44
		Single	3.50±3.43	−0.02±4.98	3.19±4.24	−0.17±6.12	0.40±0.35
		altMBCC	0.49±3.53	−2.19±5.22	0.18±4.29	−2.14±5.78	−1.98±0.35
		simMBCC	0.77±4.29	−1.31±5.12	0.47±4.29	−1.25±5.54	−1.16±0.33
III	123I	None	6.49±4.09	2.91±3.44	8.09±3.94	5.39±4.35	12.46±0.39
		Single	2.65±3.88	−0.29±3.00	2.15±3.74	1.01±3.97	−1.20±0.31
		altMBCC	1.14±3.99	−1.33±3.37	0.86±3.68	0.21±4.22	−2.72±0.32
		simMBCC	1.27±3.99	0.12±8.46	0.99±3.66	0.36±4.21	−2.24±0.35
	99mTc	None	60.98±10.76	52.91±9.08	39.95±5.98	33.28±7.77	66.29±0.70
		Single	4.47±7.66	−0.56±7.70	3.86±7.06	0.71±5.28	0.35±0.54
		altMBCC	−1.55±8.41	−3.97±6.93	−1.54±5.33	−3.04±7.06	−4.31±0.53
		simMBCC	0.12±8.46	−2.55±7.03	−0.80±5.30	−2.47±7.00	−2.80±0.53
V	123I	None	19.95±5.22	7.04±3.60	19.84±6.05	8.44±3.92	17.65±0.32
		Single	0.16±5.26	0.55±2.88	−0.59±5.21	1.87±3.37	−1.30±0.32
		altMBCC	2.00±4.93	0.28±3.52	1.25±5.75	1.59±3.73	−1.49±0.26
		simMBCC	2.53±5.01	0.49±3.53	1.72±5.78	1.76±3.67	−0.85±0.27
	99mTc	None	10.12±2.48	12.97±4.44	10.12±2.66	13.06±4.35	16.57±0.27
		Single	2.66±2.74	0.53±3.75	3.33±2.05	−0.05±4.64	0.53±0.26
		altMBCC	1.41±2.43	−1.36±4.16	1.35±2.57	−0.99±4.12	−0.54±0.26
		simMBCC	1.87±2.41	−0.89±4.22	1.51±2.59	−1.11±4.15	−0.10±0.22