Article Figures & Data
Figures
- FIGURE 1.
In patients with PD, data on 7.5-y follow-up of striatal DAT binding. Data are best fitted by a single exponential decay (solid line). Extrapolation of calculated single exponential decline hits control values 4–5 y before the first scan (dashed line). The 3 initial patient scans are well fitted by a linear decline (dotted line).
Tables
- TABLE 1
Uptake Ratios, Time Constants, and Correlation Coefficients Using a Single Exponential Decay Fit
Region 0 y 1 y 2 y 7.5 y 1/τ (y) R2 Striatum 1.65 ± 0.14 1.50 ± 0.19 1.31 ± 0.14 0.78 ± 0.10 6.65 ± 10.25 0.9992 Putamen 1.22 ± 0.16 1.10 ± 0.17 0.94 ± 0.12 0.56 ± 0.08 5.18 ± 7.62 0.9986 Caudate 2.03 ± 0.18 1.87 ± 0.26 1.66 ± 0.21 0.96 ± 0.14 10.62 ± 31.4 0.9995
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