Table 2. Test-retest reliability of FreeSurfer based PiB quantification in G2.

ROI	ΔBP%	ΔVOL%	ICC_BP (95% CI)	ICC_VOL (95% CI)
Cerebellum-White-Matter	0.71	3.88	0.978(0.958;0.988)	0.920(0.855;0.957)
Thalamus-Proper	0.68	3.06	0.990(0.981;0.995)	0.930(0.871;0.962)
Caudate	0.44	1.66	0.999(0.999;1.000)	0.987(0.975;0.993)
Putamen	0.26	2.38	1.000(0.999;1.000)	0.965(0.935;0.981)
Pallidum	0.86	4.91	0.981(0.965;0.990)	0.847(0.730;0.916)
Hippocampus	0.28	1.67	0.998(0.997;0.999)	0.983(0.968;0.991)
Amygdala	0.65	3.41	0.994(0.988;0.997)	0.959(0.920;0.979)
Accumbens-area	1.12	7.51	0.997(0.995;0.999)	0.854(0.741;0.920)
VentralDC	0.42	2.36	0.995(0.990;0.997)	0.931(0.873;0.963)
choroid-plexus	1.03	4.96	0.993(0.986;0.996)	0.959(0.923;0.978)
Brain-Stem	0.34	1.12	0.996(0.993;0.998)	0.989(0.980;0.994)
CC_Posterior	0.99	1.55	0.988(0.977;0.994)	0.994(0.988;0.997)
CC_Mid_Posterior	1.91	2.81	0.985(0.972;0.992)	0.987(0.976;0.993)
CC_Central	1.83	3.58	0.970(0.944;0.984)	0.954(0.916;0.976)
CC_Mid_Anterior	1.29	2.12	0.995(0.990;0.997)	0.986(0.974;0.993)
CC_Anterior	0.71	1.94	0.993(0.986;0.996)	0.991(0.984;0.995)
ctx-bankssts	0.63	4.59	0.999(0.998;0.999)	0.911(0.838;0.952)
ctx-caudalanteriorcingulate	0.43	3.49	0.999(0.999;1.000)	0.982(0.966;0.990)
ctx-caudalmiddlefrontal	0.53	3.46	0.999(0.999;1.000)	0.980(0.962;0.989)
ctx-cuneus	0.53	3.52	0.997(0.993;0.998)	0.919(0.853;0.956)
ctx-entorhinal	1.21	6.34	0.979(0.961;0.989)	0.927(0.866;0.960)
ctx-fusiform	0.40	2.54	0.999(0.998;0.999)	0.973(0.949;0.986)
ctx-inferiorparietal	0.51	2.21	0.999(0.999;1.000)	0.971(0.946;0.984)
ctx-inferiortemporal	0.54	2.54	0.999(0.998;1.000)	0.971(0.946;0.985)
ctx-isthmuscingulate	0.56	2.88	0.999(0.998;0.999)	0.951(0.910;0.974)
ctx-lateraloccipital	0.55	2.08	0.997(0.995;0.999)	0.973(0.949;0.985)
ctx-lateralorbitofrontal	0.45	2.43	0.999(0.999;1.000)	0.953(0.911;0.975)
ctx-lingual	0.37	1.78	0.998(0.996;0.999)	0.988(0.978;0.994)
ctx-medialorbitofrontal	0.69	3.13	0.999(0.998;1.000)	0.925(0.864;0.960)
ctx-middletemporal	0.47	2.26	0.999(0.999;1.000)	0.962(0.928;0.980)
ctx-parahippocampal	0.51	3.32	0.997(0.995;0.998)	0.938(0.887;0.967)
ctx-paracentral	0.46	3.64	0.999(0.998;1.000)	0.948(0.905;0.972)
ctx-parsopercularis	0.43	2.33	1.000(0.999;1.000)	0.982(0.966;0.990)
ctx-parsorbitalis	0.71	2.68	0.999(0.999;1.000)	0.954(0.915;0.975)
ctx-parstriangularis	0.56	3.07	0.999(0.999;1.000)	0.966(0.936;0.982)
ctx-pericalcarine	0.46	3.99	0.998(0.996;0.999)	0.941(0.891;0.968)
ctx-postcentral	0.45	3.53	0.999(0.998;0.999)	0.939(0.888;0.967)
ctx-posteriorcingulate	0.39	2.61	1.000(1.000;1.000)	0.970(0.945;0.984)
ctx-precentral	0.35	3.67	0.999(0.998;1.000)	0.910(0.837;0.952)
ctx-precuneus	0.31	2.11	0.999(0.999;1.000)	0.973(0.951;0.986)
ctx-rostralanteriorcingulate	0.53	3.50	1.000(0.999;1.000)	0.978(0.958;0.988)
ctx-rostralmiddlefrontal	0.45	2.09	1.000(0.999;1.000)	0.978(0.958;0.988)
ctx-superiorfrontal	0.34	2.00	1.000(1.000;1.000)	0.966(0.936;0.982)
ctx-superiorparietal	0.41	2.29	0.999(0.999;1.000)	0.973(0.949;0.985)
ctx-superiortemporal	0.33	1.50	1.000(0.999;1.000)	0.984(0.968;0.992)
ctx-supramarginal	0.33	2.54	1.000(0.999;1.000)	0.961(0.928;0.979)
ctx-frontalpole	1.65	8.76	0.995(0.990;0.997)	0.684(0.476;0.820)
ctx-temporalpole	1.45	6.03	0.988(0.978;0.994)	0.811(0.670;0.896)
ctx-transversetemporal	0.46	4.93	0.999(0.998;0.999)	0.920(0.854;0.957)
ctx-insula	0.32	3.01	1.000(0.999;1.000)	0.939(0.889;0.967)
UnsegmentedWhiteMatter	0.29	1.32	0.998(0.996;0.999)	0.996(0.993;0.998)
GR_FS	0.47	1.85	0.999(0.999;1.000)	0.970(0.944;0.984)
TEMP_FS	0.34	1.73	1.000(0.999;1.000)	0.975(0.951;0.987)
OCC_FS	0.37	1.92	0.998(0.996;0.999)	0.977(0.958;0.988)
PREF_FS	0.35	1.84	1.000(1.000;1.000)	0.976(0.955;0.987)
MCBP	0.25	1.27	1.000(1.000;1.000)	0.983(0.968;0.991)