Table 1:
The main clinical and cMRI features of IDH mutational status in grade II and III astrocytomasa
| IDH Mutation (n = 17) | IDH Wild Type (n = 25) | P Value | |
|---|---|---|---|
| Sex (male/female) | 9/8 | 17/8 | .157 |
| Age (yr) | 35.76 ± 9.13 | 45.96 ± 18.36 | .041 |
| Location | .006 | ||
| Frontal lobe | 9 (52.9%) | 4 (16.0%) | |
| Parietal lobe | 1 (5.9%) | 3 (12.0%) | |
| Temporal lobe | 6 (35.3%) | 4 (16.0%) | |
| Occipital lobe | 0 | 0 | |
| Insular lobe | 1 (5.9%) | 3 (12.0%) | |
| Others | 0 | 11 (44.0%) | |
| Homogeneity | .439 | ||
| Homogeneous | 4 (23.5%) | 7 (28.0%) | |
| Heterogeneous | 13 (76.5%) | 18 (72.0%) | |
| Edema | .746 | ||
| Presence | 3 (17.6%) | 7 (28.0%) | |
| Absence | 14 (82.4%) | 18 (72.0%) | |
| Borders | .037 | ||
| Sharp | 11 (64.7%) | 8 (32.0%) | |
| Indistinct | 6 (35.3%) | 17 (68.0%) | |
| Contrast enhancement | .286 | ||
| No | 11 (64.7%) | 12 (48.0%) | |
| Yes | 6 (35.3%) | 13 (54.0%) | |
| Histology | .051 | ||
| Grade II astrocytomas | 12 (70.6%) | 12 (48.0%) | |
| Grade III astrocytomas | 5 (29.4%) | 13 (54.0%) |
a
Data are number (%) unless otherwise indicated.