From: Radiogenomics correlation between MR imaging features and mRNA-based subtypes in lower-grade glioma
 |  | R1 | P | R2 | P | R3 | P | R4 | P |
---|---|---|---|---|---|---|---|---|---|
Necrosis/cystic | Negative | Â | Â | Reference | Â | Â | Â | Â | Â |
Positive |  |  | 0.252 (0.090–0.709) | 0.009 |  |  |  |  | |
Hemorrhage | Negative | Â | Â | Â | Â | Reference | Â | Â | Â |
 | Positive |  |  |  |  | 8.55 (2.906–25.158) | < 0.001 |  |  |
Proportion CE Tumor | Negative | Â | Â | Reference | Â | Â | Â | Reference | Â |
 | Positive |  |  | 14.733 (5.364–40.464) | < 0.001 |  |  | 0.14 (0.046–0.423) | < 0.001 |
Enhancing Margin | Well-defined | Reference | Â | Â | Â | Â | Â | Â | Â |
 | Poorly-defined | 9.895 (2.218–44.134) | 0.003 |  |  |  |  |  |  |
T1 + C/T2 Mismatch | Negative | Reference |  |  |  |  |  |  |  |
 | Positive | 0.091 (0.012–0.720) | 0.023 |  |  |  |  |  |  |
Volume | <60cm3 | Â | Â | Reference | 0.006 | Â | Â | Â | Â |
 | > = 60 cm3 |  |  | 0.248 (0.091–0.675) |  |  |  |  |  |