TABLE 1.

Comparison of K₁ and V_T Estimates Obtained from 1-Tissue Model for ¹¹C-DPA-713 (n = 5) and ¹¹C-R-PK11195 (n = 2)

ROI	K1 value		VT value
	DPA-713	PK11195	DPA-713	PK11195
Caudate	0.25 ± 0.05 (4.0)	0.020 ± 0.012 (24.9)	3.08 ± 0.57 (3.8)	0.25 ± 0.09 (23.1)
Cerebellar cortex	0.27 ± 0.03 (4.8)	0.025 ± 0.016 (12.5)	3.88 ± 0.85 (4.5)	0.32 ± 0.08 (11.9)
Frontal	0.27 ± 0.05 (4.3)	0.023 ± 0.013 (14.6)	4.11 ± 0.84 (4.1)	0.33 ± 0.10 (13.9)
Pons	0.20 ± 0.07 (5.4)	0.019 ± 0.016 (23.1)	5.06 ± 0.83 (5.5)	0.42 ± 0.13 (33.3)
Putamen	0.29 ± 0.06 (4.8)	0.026 ± 0.015 (10.3)	3.54 ± 0.56 (4.5)	0.34 ± 0.06 (9.5)
Temporal	0.23 ± 0.04 (4.5)	0.016 ± 0.011 (22.0)	3.69 ± 0.69 (4.3)	0.40 ± 0.08 (29.4)
Thalamus	0.27 ± 0.04 (5.0)	0.025 ± 0.013 (12.0)	4.72 ± 0.90 (4.8)	0.42 ± 0.07 (11.9)

Data are mean ± SD. Mean COV (percentage standard fitting error) is shown in parentheses.