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Table 4 Correlation (Spearman, with 95% confidence intervals) between kinetic parameter estimates and simplified metrics, with and without PVC

From: Partial-volume correction in dynamic PET-CT: effect on tumor kinetic parameter estimation and validation of simplified metrics

 

V T

K 1

BP

Uncorrected

 SUV

0.82* (0.72–0.89)

0.43* (0.19–0.62)

0.89* (0.82–0.93)

 TBR

0.81* (0.69–0.88)

0.47* (0.24–0.65)

0.82* (0.72–0.89)

LR

 SUV

0.90* (0.83–0.94)

0.45* (0.22–0.63)

0.89* (0.82–0.93)

 TBR

0.88* (0.81–0.93)

0.48* (0.26–0.65)

0.84* (0.74–0.90)

LR + HYPR

 SUV

0.90* (0.83–0.94)

0.48* (0.26–0.65)

0.89* (0.81–0.93)

 TBR

0.88* (0.81–0.93)

0.51* (0.30–0.68)

0.83* (0.73–0.90)

  1. *p < 0.01