Table 5.
Univariate analysis of the associations between MRI features and high-grade glial tumors.
| Variable | OR | 95% Cl | P-value |
|---|---|---|---|
| Deep tumor | 1.5 | 0.68-3.4 | 0.3 |
| Central/bilateral | 2.8 | 0.63-12.7 | 0.16 |
| Eloquent area | 0.9 | 0.4-2.0 | 0.8 |
| No cysts | 3.5 | 1.3-9.5 | < 0.01 |
| Infiltrative | 0.5 | 0.2-1.1 | 0.08 |
| Edema crossing the midline | 2.4 | 1.07-5.2 | < 0.05 |
| Hemorrhage | 7.1 | 3.2-15.7 | < 0.01 |
| Restricted diffusion | 2.7 | 1.0-7.5 | < 0.01 |
| Pial invasion | 5.9 | 2.0-17.8 | < 0.01 |
| Ependymal invasion | 1.6 | 0.78-3.4 | 0.2 |
| Cortical involvement | 0.5 | 0.21-1.4 | 0.2 |
| Deep white matter invasion | 1.3 | 0.6-2.8 | 0.4 |
| nCET crossing the midline | 3.2 | 1.4-6.9 | < 0.01 |
| CET crossing the midline | 3.7 | 1.06-12.7 | < 0.05 |
| Satellite lesions | 3.6 | 1.06-12.7 | < 0.05 |
| Enhancement | 10.6 | 4.0-27.8 | < 0.01 |
| Multifocal/multicentric | 3.0 | 1.0-9.2 | < 0.05 |
| Necrosis | 1.2 | 0.3-3.7 | 0.8 |
| Necrosis proportion > 5% | 7.2 | 3.2-16.0 | < 0.01 |
| Edema proportion > 5% | 9.2 | 1.2-70.3 | < 0.01 |
| Enhancement proportion > 34% | 2.9 | 1.0-7.4 | < 0.05 |
| Non-enhancement proportion < 67% | 3.9 | 1.4-10.5 | < 0.01 |
| Diameter > 5.0 cm | 0.9 | 0.4-1.9 | 0.75 |
nCET, non-contrast-enhancing tumor; CET, contrast-enhancing tumor; CI, confidence interval.