Table 3.
Distribution of tumours in different sites (topography) and patients' mean age.
| Location | Total number (%) | Male mean age | Female mean age | p value |
|---|---|---|---|---|
| Meninges | 408 (2.5%) | 53.4 | 50 | 0.09 |
| Cerebrum | 521 (3.1%) | 43.4 | 40.8 | 0.18 |
| Frontal lobe | 1316 (8%) | 44.7 | 45.6 | 0.37 |
| Temporal lobe | 1039 (6.3%) | 46.9 | 45.2 | 0.16 |
| Parietal lobe | 823 (5%) | 47.9 | 46.7 | 0.35 |
| Occipital lobe | 182 (1.1%) | 49.5 | 44.1 | 0.05 |
| Ventricle | 147 (0.9%) | 35.5 | 38 | 0.47 |
| Cerebellum | 633 (3.8%) | 29.2 | 33.1 | 0.03 |
| Brainstem | 182 (1.1%) | 31 | 25.6 | 0.09 |
| Brain, NOS | 8968 (54.2%) | 46.2 | 46.2 | 0.84 |
| Spinal cord | 515 (3.1%) | 42.3 | 44.5 | 0.24 |
| Cranial nerves | 34 (0.2%) | 40.4 | 32.2 | 0.36 |
| Overlapping brain and central nervous system | 45 (0.3%) | 52.4 | 49.6 | 0.66 |
| Missing | 200 (1.2%) | 43.7 | 40.5 | 0.32 |
| Overlapping brain | 382 (2.3%) | 47 | 44.5 | 0.20 |
| Cauda equina | 7 (0.04%) | 43.7 | 46 | 0.91 |
| Nervous system, NOS | 1145 (6.9%) | 51.8 | 51.2 | 0.67 |