| Characteristic |
Patients |
Control |
p value |
| n |
% |
n |
% |
| Age (yr) |
≤ 10 |
3 |
3.3 |
6 |
4.6 |
0.932 |
| 11 to 20 |
13 |
14.4 |
11 |
8.5 |
| 21 to 30 |
8 |
8.9 |
18 |
13.8 |
| 31 to 40 |
23 |
25.6 |
31 |
23.8 |
| 41 to 50 |
17 |
18.9 |
28 |
21.5 |
| 51 to 60 |
17 |
18.9 |
24 |
18.5 |
| > 60 |
9 |
10.0 |
12 |
9.2 |
| mean ± SD |
40.7 ± 16.9 (7, 70) |
39.8 ± 15.6 (8, 67) |
| Gender |
Male |
41 |
45.6 |
62 |
47.7 |
0.755 |
| Female |
49 |
54.4 |
68 |
52.3 |
| Dwelling |
Rural |
67 |
74.4 |
96 |
73.8 |
0.921 |
| Urban |
23 |
25.6 |
34 |
26.2 |
| Smoker |
Yes |
27 |
30.0 |
32 |
24.6 |
0.377 |
| No |
63 |
70.0 |
98 |
75.4 |
| Histopathology |
Neuroepithelial Tissue Tumor |
35 |
38.9 |
|
|
|
| Meningeal Tumor |
27 |
30.0 |
|
|
| CNS Lymphoma |
4 |
4.4 |
|
|
|
| Tumors of Sellar Region |
6 |
6.7 |
|
|
|
| Metastatic Tumor |
2 |
2.2 |
|
|
|
| Others |
2 |
2.2 |
|
|
|
| Cranial Nerve Tumor |
14 |
15.6 |
|
|
|
| Tumor Type |
Benign |
47 |
52.2 |
|
|
|
| Malignant |
43 |
47.8 |
|
|
|
| Tumor Grade |
Low |
33 |
47.1 |
|
|
|
| High |
37 |
52.9 |
|
|
|
| Vascularity |
Less Vascular |
40 |
44.4 |
|
|
|
| Moderately Vascular |
26 |
28.9 |
|
|
|
| Highly Vascular |
24 |
26.7 |
|
|
|
|
