1p19q codeletion | p Value | |||
Yes | No | |||
Location | Frontal | 30 | 9 | 0.044 |
Temporoinsular | 5 | 6 | ||
Parieto-occipital | 3 | 1 | ||
Diencephalon | 1 | 1 | ||
Cortex involvement | Absent | 5 | 2 | 0.960 |
Present | 34 | 13 | ||
Enhancement | Absent | 31 | 12 | 0.727 |
Present | 7 | 2 | ||
Tumour border | ||||
T1 border | Indistinct | 29 | 4 | 0.005* |
Sharp | 7 | 7 | ||
T2 border | Indistinct | 25 | 4 | 0.036* |
Sharp | 12 | 8 | ||
Intratumoural signal characteristics | ||||
T1 signal | Homogeneous | 1 | 3 | 0.033* |
Heterogeneous | 36 | 8 | ||
T2 signal | Homogeneous | 1 | 3 | 0.041* |
Heterogeneous | 36 | 9 | ||
Other characteristics | ||||
Calcification | Absent | 22 | 12 | 0.318 |
Present | 17 | 5 | ||
Haemorrhage | Absent | 37 | 13 | 0.062 |
Present | 2 | 4 | ||
Cyst formation | Absent | 18 | 12 | 0.092 |
Present | 21 | 5 | ||
Oedema | Absent | 22 | 7 | 0.727 |
Present | 17 | 8 |
↵* Fisher's exact test and Pearson's χ2 test, p<0.005.