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EJNMMI Research
Fig. 2 | EJNMMI Research

Fig. 2

From: Comparative evaluation of SUV, tumor-to-blood standard uptake ratio (SUR), and dual time point measurements for assessment of the metabolic uptake rate in FDG PET

Fig. 2

SURs as derived from the DTP measurements. Black error bars indicate estimated statistical errors derived by Gaussian error propagation when assuming a statistical accuracy of 5 % for blood SUVs and 2 % for the tumor SUVs. Solid lines connect the respective first and second time points of the DTP measurements. Dashed lines represent linear extrapolations back to T=0 yielding the individual V r estimates for the respective DTP measurements. The red point and error bars are the mean and standard deviation of these V r estimates. At the given level of accuracy, results are compatible with Eq. 5 according to which SUR(T) follows straight lines which approximately converge at a common point (\(0,\bar {V}_{r}\))

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