Table 4.
Optimal cutoff values of SUVmax and volumetric parameters for prediction of the lateral lymph node metastasis
| Criteria | Cutoff value | Sensitivity (95 % CI) | Specificity (95 % CI) | AUC (95 % CI) | SE | P value |
|---|---|---|---|---|---|---|
| SUVmax | 5.91 | 77.9 % (40.0–97.2 %) | 69.1 % (52.9–82.4 %) | 0.716 (0.572–0.833) | 0.109 | 0.047 |
| MTV (cm3) | ||||||
| MTV2.5 | 2.05 | 77.8 % (40.0–97.2 %) | 88.1 % (74.4–96.0 %) | 0.839 (0.709–0.927) | 0.099 | <0.001 |
| MTV3 | 1.54 | 77.8 % (40.0–97.2 %) | 88.1 % (74.4–96.0 %) | 0.825 (0.693–0.917) | 0.104 | 0.002 |
| MTV3.5 | 1.22 | 77.8 % (40.0–97.2 %) | 88.1 % (74.4–96.0 %) | 0.815 (0.681–0.909) | 0.101 | 0.002 |
| MTV4 | 0.61 | 77.8 % (40.0–97.2 %) | 83.3 % (68.6–93.0 %) | 0.798 (0.662–0.897) | 0.101 | 0.003 |
| TLG | ||||||
| TLG2.5 | 9.09 | 77.8 % (40.0–97.2 %) | 85.7 % (71.5–94.6 %) | 0.815 (0.681–0.910) | 0.099 | 0.002 |
| TLG3 | 5.35 | 77.8 % (40.0–97.2 %) | 83.3 % (68.6–93.0 %) | 0.802 (0.666–0.900) | 0.103 | 0.003 |
| TLG3.5 | 4.42 | 77.8 % (40.0–97.2 %) | 83.3 % (68.6–93.0 %) | 0.802 (0.666–0.900) | 0.101 | 0.003 |
| TLG4 | 3.47 | 77.8 % (40.0–97.2 %) | 83.3 % (68.6–93.0 %) | 0.790 (0.653–0.891) | 0.099 | 0.004 |
AUC area under curve, CI confidence interval, MTV metabolic tumor volume (cm3), SE standard error, TLG total lesion glycolysis