Histopathology | n | % | Mean age | SD | R | Male % | Preferred location | Age group | |||
---|---|---|---|---|---|---|---|---|---|---|---|
0–20 | 21–40 | 41–60 | Above 61 | ||||||||
Pilocytic astrocytoma | 92 | 6.3 | 19.4 | 12.2 | 3-74 | 70.3 | Cerebellum | 61 | 24 | 6 | 1 |
Diffuse astrocytoma | 331 | 22.8 | 30.9 | 15.2 | 2-80 | 70.5 | Frontal | 93 | 151 | 76 | 11 |
Anaplastic astrocytoma | 102 | 7.0 | 34.5 | 14.1 | 6-34 | 73.0 | Frontal | 20 | 47 | 32 | 3 |
Glioblastoma | 601 | 41.4 | 48.5 | 15.1 | 7-85 | 71.6 | Frontal | 28 | 150 | 297 | 128 |
Gliosarcoma | 38 | 2.6 | 46.4 | 14.8 | 15-71 | 72.2 | Temporal | 3 | 9 | 20 | 6 |
Oliogodendroglioma | 65 | 4.5 | 39.7 | 10.9 | 10-61 | 63.5 | Frontal | 4 | 31 | 29 | 1 |
Anaplastic Ependymoma | 33 | 2.3 | 18.0 | 11.3 | 5-48 | 67.7 | Intraventricular | 23 | 8 | 2 | 0 |
Oligoastrocytoma | 69 | 4.7 | 38.6 | 12.5 | 2-58 | 74.6 | Frontal | 5 | 32 | 32 | 0 |
Pilomyxoid astrocytoma | 9 | 0.6 | 24.7 | 18.7 | 5-54 | 77.8 | Ventricle | 4 | 3 | 2 | 0 |
Anaplastic NOS | 86 | 5.9 | 42.2 | 12.4 | 8-72 | 62.8 | Frontal | 4 | 36 | 41 | 5 |
Ependymoma | 5 | 0.3 | 30.8 | 20.4 | 8-56 | 100 | Frontal | 2 | 1 | 2 | 0 |
Others | 19 | 1.3 | 34.0 | 20.0 | 6-75 | – | – | – | – | – | – |