Table 2.
Median [interquartile range] of PET parameters in the overall population as well as comparatively between the 2 groups of patients with or without glioma recurrence or progression
| Parameter | Overall | No recurrence/progression (n = 17) | Recurrence/progression (n = 34) | Adjusted p value |
|---|---|---|---|---|
| Static | ||||
| TBRmax | 2.22 [1.36; 3.12] | 1.26 [1.12; 1.37] | 2.71 [2.20; 3.69] | < 0.001 |
| TBRmean | 1.57 [1.02; 2.13] | 0.84 [0.75; 1.04] | 1.95 [1.57; 2.70] | < 0.001 |
| TSRmax | 1.31 [0.82; 1.90] | 0.77 [0.65; 0.82] | 1.64 [1.31; 2.28] | < 0.001 |
| TSRmean | 0.92 [0.65; 1.43] | 0.51 [0.46; 0.65] | 1.19 [0.92; 1.69] | < 0.001 |
| MTV | 1.49 [0.00; 8.22] | 0.00 [0.00; 0.00] | 5.35 [1.49; 15.75] | < 0.001 |
| Dynamic | ||||
| TTP | 7.70 [3.35; 18.65] | 14.53 [1.55; 30.00] | 7.67 [4.13; 14.62] | 1 |
| Slope | − 0.14 [− 0.82; 0.13] | 0.07 [− 0.07; 0.31] | − 0.59 [− 0.94; − 0.08] | < 0.001 |
MTV metabolic tumor volume, TBR tumor-to-normal brain ratio, TSR tumor-to-striatum ratio