Table 7 Values of the metabolic parameters on predicting tumor pathological complete response
Metabolic parameters | Tumor with PCR(n = 18) | Tumor without PCR(n = 33) | p value |
|---|---|---|---|
Scan-1 | |||
SULmax | 11.6 ± 5.8 | 11.4 ± 4.3 | 0.921 |
SULpeak | 9.8 ± 5.0 | 9.9 ± 4.1 | 0.948 |
MTV | 40.4 ± 53.0 | 26.7 ± 24.2 | 0.657 |
TLG | 280.7 ± 432.4 | 197.5 ± 201.2 | 0.937 |
T/N ratio | 5.3 ± 2.0 | 5.5 ± 2.8 | 0.806 |
Scan-2 | |||
SULmax | 1.9 ± 0.7 | 7.6 ± 6.8 | < 0.001 |
SULpeak | 1.5 ± 0.6 | 6.2 ± 5.8 | < 0.001 |
MTV | 6.2 ± 12.1 | 10.9 ± 15.8 | 0.007 |
TLG | 15.2 ± 50.0 | 72.4 ± 154.8 | < 0.001 |
T/N ratio | 0.8 ± 0.3 | 3.2 ± 3.2 | 0.003 |
The percentage changes(Δ%) between scan-1 and scan-2 | |||
ΔSULmax% | -81.0 ± 9.5 | -32.5 ± 43.7 | < 0.001 |
ΔSULpeak% | -81.9 ± 10.4 | -35.4 ± 40.6 | < 0.001 |
ΔMTV% | -81.3 ± 21.5 | -59.3 ± 42.2 | 0.016 |
ΔTLG% | -95.2 ± 7.2 | -65.4 ± 44.5 | < 0.001 |
ΔT/N ratio% | -80.3 ± 7.4 | -40.4 ± 40.3 | < 0.001 |