Table 2.
Comparison of metabolic metrics for per-lesion analysis with optimal thresholds.
| Metrics | SUVmax | SUVpeak | SUVmean | SAM | MV | TLG | SULTAN |
|---|---|---|---|---|---|---|---|
| Threshold (%) | −21 | −23 | −29 | −48 | −33 | −20 | |
| Sensitivity (%) | 91 | 88 | 83 | 66 | 27 | 68 | 86 |
| Specificity (%) | 93 | 95 | 97 | 83 | 89 | 86 | 75 |
| PPV (%) | 94 | 95 | 97 | 81 | 73 | 84 | 79 |
| NPV (%) | 90 | 88 | 83 | 68 | 52 | 70 | 83 |
| Accuracy (%) | 92 | 91 | 90 | 74 | 56 | 76 | 81 |
| Youden correlation coefficient | 0.84 | 0.83 | 0.80 | 0.49 | 0.16 | 0.53 | 0.61 |
| Significance (χ2p < 0.05) | S | S | S | S | NS | S | S |
Significance: correlation between the metric and the gold standard according to Youden correlation coefficient.