Parameter | SUVmax | SUVmax-to-background ratio |
---|---|---|
No recurrence (n = 4) | 2.42 ± 0.54 | 2.30 ± 0.23 |
Histologic type | ||
Astrocytoma, WHO II (n = 13) | 2.93 ± 0.73 | 2.54 ± 0.54 |
Anaplastic astrocytoma, WHO III (n = 9 + 1)* | 3.24 ± 1.13 | 2.59 ± 0.45 |
Glioblastoma multiforme, WHO IV (n = 15 + 1)* | 3.26 ± 0.98 | 2.84 ± 0.65 |
All astrocytoma, WHO III/IV (n = 24 + 2)* | 3.26 ± 1.02 | 2.75 ± 0.58 |
Oligoastrocytoma, WHO II (n = 3) | 3.70 ± 1.28 | 3.07 ± 0.84 |
Oligoastrocytoma, WHO III (n = 1) | 3.00 | 2.81 |
All WHO II (n = 16) | 3.07 ± 0.68 | 2.64 ± 0.61 |
All WHO III/IV (n = 25 + 2) | 3.25 ± 1.02 | 2.75 ± 0.57 |
P | ||
No recurrence vs. recurrence | 0.028 | 0.012 |
No recurrence vs. low-grade astrocytomas | 0.050 | 0.061 |
No recurrence vs. low-grade tumors | 0.048 | 0.050 |
Low- vs. high-grade astrocytomas | 0.128 | 0.137 |
All low- vs. high-grade tumors | 0.276 | 0.277 |
↵* Added numbers reflect second biopsy in same patient.