Table 1.

Demographic and pathological characteristics of the study participants.

Parameter	Brain tumors samples
Patient number	30
Marital status
Married	15 (50%)
Single	15 (50%)
Gender
Female	17 (56.66%)
Male	13 (43.33%)
Age at diagnosis (Years)
<15	23 (76.66%)
≥15	7 (23.33%)
Pathologic Diagnosis
Schwannoma	3 (10%)
Astrocytoma	13 (26.66%)
GBM	9 (16.66%)
Medulloblastoma	5 (10%)
Grade
I	3 (13.33%)
II	13 (60%)
III	–
IV	14 (26.66%)
Tumor size (cm)
<3cm	7 (23.33%)
≥3cm	23(76.66%)
Smoking
Yes	9 (30%)
No	21 (70%)