TABLE 2.

Test–retest Absolute %Δ for SUV, cSUV, SUR, cSUR, and Ki Metrics Among [18F]FDG-Avid Lesions

MetricT-RT |%Δ|*P†
Ki,max13% (6%, 29%)ref
SUVmax48% (37%, 59%)<0.001
SURmax81% (73%, 90%)<0.001
cSUVmax12% (7%, 26%)0.90
cSURmax13% (7%, 24%)0.67
Ki,peak15% (11%, 26%)ref
SUVpeak32% (17%, 43%)<0.001
SURpeak66% (52%, 76%)<0.001
cSUVpeak25% (13%, 42%)0.004
cSURpeak13% (6%, 32%)0.36

  • ↵* Values are median with first quartile and third quartile in parentheses.

  • ↵† Comparison to Ki,max (rows 1–5) or Ki,peak (rows 6–10) via Wilcoxon signed-rank test.

  • T-RT = test–retest; ref = reference.

  • Bold P values are statistically significant.