Table 1.

Correlation coefficient r, slope and intercept of orthogonal regression across subjects for SUV values in different brain clusters when comparing ZTE- and atlas-attenuation correction (AC) with ⁶⁸Ge-AC. In addition, mean bias (%) and accuracy (SD of % bias) are given

AC	Brain region	r	Slope	Intercept	% bias	SD
ZTE	STR	0.99	1.06	0.09	9.2*	1.6
	LR	0.99	1.07	0.06	10.5*	3.2
	ACR	0.99	1.09	− 0.01	7.9*	2.9
	PCR	0.99	1.04	0.04	6.3*	1.6
	CER	0.99	1.03	0.08	7.7*	2.2
	WB	0.99	1.04	0.06	8.2*	1.5
Atlas	STR	0.99	0.97	0.27	7.5*	4.7
	LR	0.97	1.03	0.07	4.5*	4.4
	ACR	0.92	1.06	0.02	8.0*	7.1
	PCR	0.88	1.03	0.05	6.6*	8.1
	CER	0.97	0.92	0.17	3.0	3.7
	WB	0.94	0.99	0.10	6.1*	5.6

STR striatum, LR limbic regions, ACR anterior cortical regions, PCR posterior cortical regions, CER cerebellum, WB whole-brain

*p value < 0.05