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. Author manuscript; available in PMC: 2018 Jul 5.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2016 Oct 22;97(2):333–338. doi: 10.1016/j.ijrobp.2016.10.029

Table 4.

C-indexes for FDG-PET-CT parameters in the Deauville 1–4 subset

Parameter C-index Bias-corrected C-index
Deauville score (1–3 vs 4) 0.67 0.66
Final MTV 0.59 0.55
Final TLG 0.58 0.54
Final STV 0.64 0.61
Final SUVmax 0.73 0.72
MTV reduction 0.40 0.63
TLG reduction 0.41 0.61
STV reduction 0.71 0.70
SUVmax reduction 0.70 0.68
STV reduction dichotomized (≤65% vs >65%) 0.69 0.70
Deauville Score (1–3 vs 4) plus STV reduction dichotomized (≤65% vs >65%) 0.83 0.82

Abbreviations: CT = computed tomography; FDG = fluorodeoxyglucose; MTV = metabolic tumor volume; PET =positron emission tomography; STV = soft tissue volume; SUVmax = maximum standardized uptake value; TLG = total lesion glycolysis.