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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