Fig. 3From: Semi-quantitative analysis of visually normal 123I-FP-CIT across three large databases revealed no difference between control and patientsScatterplot of harmonized ScanOnlyDB striatum VOI Specific Binding Ratio (SBR) values (black open circles) and HvDB SBR values (green open circles) as a function of age. Linear regression lines for age: ScanOnlyDB (green solid line) and ScanOnlyDB + NoDG5YearsDB ± 2 SD (black solid and black dotted lines) were superimposedBack to article page