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Table 3 Effective dose (mSv) estimated using different residence time calculated using different methods

From: Internal dosimetry in F-18 FDG PET examinations based on long-time-measured organ activities using total-body PET/CT: does it make any difference from a short-time measurement?

Spline method

Multi-exponential method 12 frames

Multi-exponential method 12 frames (only physical decay after 60 min)

Multi-exponential method 3 frames

Multi-exponential method 3 frames (only physical decay after 70 min)

6*180 s from 57 to 75 min

1.41E−02 ± 1.81E−03

1.41E−02 ± 1.81E-03

1.28E−02 ± 2.65E−03***

1.35E−02 ± 2.72E−03

1.27E−02 ± 2.64E−03***

1.27E−02 ± 2.66E−03***

  1. *Significant at 10% level
  2. **Significant at 5% level
  3. ***Significant at 1% level