TABLE IV.

Test–retest regional BP values estimated by MRTM2 with volume of interest method from 240- and 300-min imaging data

	BP 240 min			BP 300 min
Region	Test	Retest	Average	Test	Retest	Average	% difference
Striatum	4.22 ± 1.03	4.44 ± 0.91	4.33 ± 0.97	4.28 ± 1.08	4.45 ± 0.91	4.36 ± 0.99	0.69
Prefrontal cortex	1.76 ± 0.44	1.82 ± 0.47	1.79 ± 0.45	1.75 ± 0.44	1.81 ± 0.48	1.78 ± 0.46	−0.56
Temporal cortex	1.93 ± 0.41	2.01 ± 0.41	1.97 ± 0.41	1.93 ± 0.42	2.01 ± 0.43	1.97 ± 0.42	0.00
Parietal cortex	2.01 ± 0.49	2.07 ± 0.54	2.04 ± 0.51	2.02 ± 0.50	2.07 ± 0.55	2.05 ± 0.52	0.49
Occipital cortex	1.94 ± 0.36	2.03 ± 0.45	1.99 ± 0.40	1.95 ± 0.38	2.04 ± 0.47	1.99 ± 0.42	0.00
Thalamus	1.16 ± 0.28	1.20 ± 0.25	1.18 ± 0.26	1.14 ± 0.29	1.18 ± 0.25	1.16 ± 0.27	−1.72

Values represent mean ± SD.

% difference = 100 × (average BP 240 min/average BP 300 min).