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. 2019 Mar;9(3):440–452. doi: 10.21037/qims.2019.02.09

Figure 3.

Figure 3

Harrell’s c-index values for SUVmax, MTV and TLG of the primary tumor (SUVmax-P, MTV-P, TLG-P) and the combination of the primary tumor and SMLNs (SUVmax-C, MTV-C, TLG-C) based on different %SUVmax threshold (from 30%SUVmax to 60%SUVmax) to evaluate RFS. The Harrell’s c-index was used to identify the %SUVmax thresholds that offered the strongest predictive value for MTV and TLG. SUVmax, maximum standardized uptake value; MTV, metabolic tumor volume; TLG, total lesion glycolysis; %SUVmax, percentage of SUVmax; RFS, recurrence-free survival; SMLNs, suspicious metastatic lymph nodes; SUVmax-P, SUVmax of the primary tumor; SUVmax-C, SUVmax of the primary tumor or higher SMLNs; MTV-P, MTV of the primary tumor; MTV-C, MTV of the combination of the primary tumor and SMLNs; TLG-P, TLG of the primary tumor; TLG-C, TLG of the combination of the primary tumor and SMLNs; %SUVmax, percentage of SUVmax.