Table 1.
Patient characteristics and all measurements.
| Characteristics | Grade II | Grade III | Grade IV | All |
|---|---|---|---|---|
| No. of patients | 86 | 52 | 63 | 201 |
| Mean age ± SD (years) | 41.4 ± 13.3 | 45.2 ± 13.6 | 57.5 ± 15.1 | 47.4 ± 15.5 |
| Sex | ||||
| Woman | 41 | 23 | 21 | 85 |
| Man | 45 | 29 | 42 | 116 |
| Tumor location | ||||
| Right cerebral | 37 | 16 | 31 | 84 |
| Left cerebral | 49 | 36 | 32 | 117 |
| IDH1 mutation | ||||
| Wild-type | 20 | 18 | 56 | 94 |
| Mutant | 66 | 34 | 7 | 107 |
| Peritumoral edema volume (cm3) | 13.81 ± 18.36 | 17.04 ± 21.11 | 50.33 ± 35.70 | 26.09 ± 30.38 |
| Whole tumor volume (cm3) | 52.82 ± 45.56 | 58.69 ± 40.92 | 50.04 ± 27.35 | 53.47 ± 39.40 |
| Enhancing tumor volume (cm3) | 1.59 ± 6.21 | 12.27 ± 19.26 | 31.22 ± 15.46 | 16.34 ± 18.58 |
| Non-enhancing tumor volume (cm3) | 47.02 ± 42.57 | 33.11 ± 30.57 | 3.69 ± 18.75 | 29.84 ± 38.25 |
| Necrotic portion volume (cm3) | 1.94 ± 7.30 | 9.34 ± 22.39 | 8.10 ± 13.05 | 5.78 ± 14.65 |
| Hemorrhagic portion volume (cm3) | 1.18 ± 10.95 | 3.05 ± 11.43 | 8.06 ± 12.55 | 3.82 ± 11.91 |
| ALPS index | 1.454 ± 0.186 | 1.421 ± 0.214 | 1.220 ± 0.112 | 1.372 ± 0.202 |
Except where indicated, data are numbers of patients.
SD, standard deviation; ALPS, analysis along the perivascular space.