Table 1.
Clinico-pathologic and molecular features of gliomas, MPNST, and neurofibromas
| Gliomas | MPNST | Neurofibromas | |
|---|---|---|---|
| (N = 70) | (N = 152) | (N = 77)a | |
| Mean age (SD) | 20.6 (13.8) | 38.9 (17.3) | 30.6 (17.7) |
| Gender (%) | |||
| Male | 52.9 | 49.0 | 48.1 |
| Female | 47.1 | 51.0 | 52.0 |
| Grade (%) | |||
| High | 32.9 | 88.7 | – |
| Low | 67.1 | 11.3 | – |
| ALT status (%) | |||
| Positive | 32.9 | 16.6 | – |
| Negative | 67.1 | 81.5 | – |
| Missing | – | 2.0 | – |
| Telomeres (%) | |||
| Normal | 24.3 | 9.9 | – |
| Short | 1.4 | 9.3 | – |
| Long | 17.1 | 0.7 | – |
| ALT | 32.9 | 16.6 | – |
| Missing | 24.3 | 63.6 | – |
| NF status (%) | |||
| NF1 | – | 61.6 | – |
| Unknown | – | 38.4 | – |
aMultiple samples tested per patient (77 patients with a mean of 2.4 samples per individual)