TABLE 4

80- to 100-Minute Test–Retest SUVR Comparisons by Reference Region

SUVR	Test mean	Retest mean	Mean change	Change SD	Mean (% change)	SD (% change)
Combination^*	1.1205	1.1185	−0.0020	0.0294	−0.1043	2.2201
Cerebellar gray reference^†	1.3704	1.3618	−0.0086	0.0839	−0.1364	4.5976
MUBADA^*	1.1838	1.1809	−0.0029	0.0288	−0.1654	1.8414
Cerebellar gray reference^†	1.4983	1.4925	−0.0057	0.0884	0.0402	4.2006
Frontal^*	0.9732	0.9719	−0.0013	0.0146	−0.1347	1.4594
Cerebellar gray reference^†	1.1250	1.1218	−0.0032	0.0545	0.0044	4.5137
Temporal^*	1.1373	1.1343	−0.0030	0.0259	−0.2846	1.9757
Cerebellar gray reference^†	1.3917	1.3840	−0.0077	0.0766	−0.1991	4.5227
Parietal^*	1.0856	1.0801	−0.0055	0.0319	−0.3968	2.2754
Cerebellar gray reference^†	1.2904	1.2764	−0.0140	0.0898	−0.5572	5.0438
Occipital^*	1.1286	1.1304	0.0018	0.0395	0.2988	3.2682
Cerebellar gray reference^†	1.4228	1.4185	−0.0043	0.0919	0.3094	4.8181

↵* First row for each region uses PERSI (duplicates Table 2).
↵† Second row for each region uses cerebellar gray (cere–crus) reference region.