Table 9. Types of postoperative hematoma in the study patients.

Type of hematoma	Group A ( n = 250), n (%)	Group B ( n = 154), n (%)	Group C ( n = 41), n (%)	Group D ( n = 11), n (%)	Total ( n = 456), n (%)	p -Value
Note: All values are number of patients (%).
Extradural	6 (2.4)	4 (2.6)	2 (4.88)	1 (9.09)	13 (2.85)	0.106
Subdural	0	0	1 (2.44)	0	1 (0.22)
Intracerebral	1 (0.4)	2 (1.3)	1 (2.44)	1 (9.09)	5 (1.1)
Subarachnoid	1 (0.4)	0	0	0	1 (0.22)
Intraventricular	4(1.6)	6 (3.9)	2 (4.88)	0	12 (2.63)
Tumor cavity	17 (6.8)	15 (9.74)	5 (12.2)	1 (9.09)	38 (8.33)
Multiple	2 (0.8)	1 (0.65)	0	0	3 (0.66)