Table 1

Patient	Sex	Age (y)	Weight (kg)	Medical history	Prior seizure	Brain tumours characteristic
Patient	Sex	Age (y)	Weight (kg)	Medical history	Prior seizure	Location	Size (ml)	Pathology
1	female	33	60	none	yes	Lt parasagital	126	Meningioma gr 1
2*	female	61	48	HT,DLD, DM	no	Rt insular	215.04	Oligodendroglioma gr 2
3	female	50	77	none	yes	Rt sphenoid ridge	41.44	Meningioma gr 2
4	female	63	63	HT,DLD, DM	no	Lt clinoid process	89.544	Meningioma gr 1
5	male	19	51	none	no	Olfactory groove	133.65	Meningioma gr 2
6	male	38	49	none	no	Lt parasagital	273.5	Meningioma gr 3
7	female	38	53	none	no	Lt sphenoid ridge	42	Meningioma gr 1
8	female	54	55	none	no	Lt thalamus	45.08	GBM gr 4
9	female	66	45	HT,DLD, DM	yes	Lt parietal	29.4	Meningioma gr 1
10	female	41	52	none	yes	Lt parietal	10.125	Lymphoma
11	female	42	57	none	no	Rt frontal	35.2	Astrocytoma gr 2
12	female	45	48	none	yes	Lt parasagital	38.4	Meningioma gr 1
13*	male	43	65	none	no	Rt frontal	80	GBM gr 4
14	male	53	73	none	yes	Corpus callosum	9	GBM gr 4
15	female	48	88	none	no	Rt sphenoid ridge	6.048	Meningioma gr 1
16*	male	58	70	none	yes	Suprasella	106.08	Craniopharyng gr 1
17	female	60	54	none	no	Tuberculum sella	11.6	Meningioma gr 1
18	male	29	68	none	no	Pineal	10	Germinoma
19	male	60	64	none	no	Rt sphenoid ridge	181.44	Lymphoma
20	female	29	57	none	yes	Lt sphenoid ridge	50	Meningioma gr 2

HT: hypertension,DLD: dyslipidemia, DM: diabetes mellitus, GBM: glioblastoma maltiforme, Rt: right side, Lt: left side
* Patients had postoperative seizure in 24 hours.

Table 1: Patient characteristics and data from preoperative period.