Table 2 Grade and location of tumors
Preoperative characteristics | MACa (%) | AAAb (%) | p-value |
|---|---|---|---|
Grade | |||
 I | 14 (7.6) | 0 (0.0) | 0.692 |
 II | 58 (31.5) | 17 (41.5) |  |
 III | 37 (20.1) | 11 (26.8) |  |
 IV | 75 (40.8) | 13 (31.7) |  |
Tumor location | |||
 Frontal lobe | 54 (29.3) | 14 (34.1) | 0.053 |
 Temporal lobe | 25 (13.6) | 3 (7.3) |  |
 Parietal lobe | 18 (9.8) | 4 (9.8) |  |
 Occipital lobe | 3 (1.6) | 1 (2.4) |  |
 Insular lobe | 2 (1.1) | 1 (2.4) |  |
 Thalamus and basal ganglia | 9 (4.9) | 2 (4.9) |  |
 Two or more brain lobes | 46 (25.0) | 16 (39.0) |  |
 Multiple locations invading basal ganglia, cerebrum, or ventricle | 27 (14.7) | 0 (0.0) |  |