Table 4 The potential values of the 18F-FDG PET/CT metabolic parameters on predicting MPR
Metabolic parameters | Cut-off | A UC | Sensitivity (%) | Specificity (%) | Accuracy (%) |
|---|---|---|---|---|---|
Scan-2 | Â | Â | Â | Â | Â |
SULmax | 3.2 | 0.94 | 84.6 | 88.0 | 86.3 |
SULpeak | 2.8 | 0.92 | 76.9 | 92.0 | 84.3 |
MTV | 1.9 | 0.67 | 84.6 | 52.0 | 66.7 |
TLG | 3.0 | 0.80 | 92.3 | 52.0 | 72.5 |
T/N ratio | 1.4 | 0.94 | 80.8 | 88.0 | 84.3 |
The percentage changes(Δ%) between scan-1 and scan-2 | |||||
ΔSULmax% | -65.6 | 0.92 | 88.5 | 88.0 | 88.2 |
ΔSULpeak% | -68.5 | 0.91 | 88.5 | 88.0 | 88.2 |
ΔMTV% | -63.6 | 0.73 | 57.7 | 88.0 | 72.5 |
ΔTLG% | -90.9 | 0.84 | 69.2 | 92.0 | 80.4 |
ΔT/N ratio% | -68.9 | 0.91 | 84.6 | 88.0 | 86.3 |