Semi-quantitative analysis of visually normal 123I-FP-CIT across three large databases revealed no difference between control and patients

EJNMMI Research

Table 2 linear regression between Specific Binding Ratio according to attenuation correction methods and age for ScanOnlyDB

Volume of interest	Parameters	SBR Chang AC	SBR CT AC
Volume of interest	Parameters	Estimate ± SE	Estimate ± SE
Striatum	Intercept	4.38 ± 0.074	3.61 ± 0.059
Striatum	Slope	− 0.025 ± 0.0010	− 0.020 ± 0.0008
Caudate	Intercept	4.79 ± 0.092	3.92 ± 0.075
Caudate	Slope	− 0.025 ± 0.0013	− 0.020 ± 0.001
Putamen	Intercept	4.18 ± 0.072	3.47 ± 0.058
Putamen	Slope	− 0.025 ± 0.001	0.020 ± 0.0008
Putamen/caudate	Intercept	0.914 ± 0.018	0.90 ± 0.018
Putamen/caudate	Slope	− 0.001 ± 0.0003	− 0.001 ± 0.0003