Fig. 3From: Comparison between a dual-time-window protocol and other simplified protocols for dynamic total-body 18F-FDG PET imagingFor an example subject, nonlinear fitting of the missing data was performed using the 3rd degree rational function. a–c correspond to the TACs in the cerebral cortex, muscle, and tumor, respectively; d Bland–Altman plots of the MAPE (mean absolute percentage error, Eq. 12) in TAC estimation for each ROI with different scan durationsBack to article page