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Table 2 TTP (units: min p.i.), Slope15–40 (units: SUV/h), TBR (units: 1), and BTV20–40 (units: mL) from VOI-based analysis and voxel-wise PVH (units: %) separated according to histologic grading
| Tumour VOI, post-filtering | Parameter | WHO II (55) | WHO III (62) | WHO IV (45) | H test P; r | Post hoc |
|---|---|---|---|---|---|---|
| 90% isocontour | TTP | 25 ± 8 | 19 ± 9 | 17 ± 8 | < 0.001; 0.39 | *° |
| Slope15–40 | − 0.0 ± 0.9 | − 0.9 ± 1.6 | − 1.0 ± 1.2 | < 0.001; 0.36 | *° | |
| TBR20–40 > 1.6 | TBR5–15,max | 2.9 ± 1.1 | 3.9 ± 1.6 | 4.6 ± 1.2 | < 0.001; 0.50 | *°# |
| TBR5–15,mean | 1.8 ± 0.3 | 2.2 ± 0.5 | 2.4 ± 0.4 | < 0.001; 0.53 | *° | |
| TBR20–40,max | 2.8 ± 0.9 | 3.4 ± 1.3 | 4.0 ± 1.0 | < 0.001; 0.43 | °# | |
| TBR20–40,mean | 1.9 ± 0.2 | 2.1 ± 0.4 | 2.2 ± 0.3 | < 0.001; 0.43 | *°# | |
| BTV20–40 | 15 ± 16 | 26 ± 30 | 36 ± 25 | < 0.001; 0.38 | °# | |
| PVHTBR,5–15 > 2 | 25 ± 24 | 53 ± 27 | 64 ± 18 | < 0.001; 0.55 | *° | |
| PVHTBR,20–40 > 2 | 26 ± 21 | 37 ± 24 | 51 ± 17 | < 0.001; 0.43 | *°# | |
| PVHTTP > 30 | 50 ± 23 | 32 ± 23 | 25 ± 15 | < 0.001; 0.43 | *° | |
| PVHTTP < 15 | 11 ± 14 | 26 ± 25 | 31 ± 15 | < 0.001; 0.47 | *° | |
| PVHTTP < 20 | 23 ± 20 | 45 ± 29 | 52 ± 18 | < 0.001; 0.49 | *° | |
| PVHSlope < 0 | 25 ± 19 | 46 ± 27 | 50 ± 17 | < 0.001; 0.47 | *° | |
| TBR20–40 > 1.6, 10 mm Gauss | PVHGaussTTP > 30 | 67 ± 28 | 41 ± 34 | 32 ± 23 | < 0.001; 0.44 | *° |
| PVHGauss TTP < 20 | 13 ± 20 | 39 ± 34 | 44 ± 24 | < 0.001; 0.51 | *° | |
| PVHGauss,Slope < 0 | 16 ± 23 | 45 ± 36 | 51 ± 26 | < 0.001; 0.50 | *° |
