Choice of intraoperative ultrasound adjuncts for brain tumor surgery

Table 3 Description of surgeons group 2 data set

	2D (n = 85)	3DUS (n = 51)	p-value
	Mean (SD)		p-value
Age (in years)	37.95 (14.70)	43.23 (14.64)	0.07
Gender
Male	58	35
Female	27	16	0.96
Prior treatment
Yes	28	9
No	57	42	0.05
Eloquent location
Yes	30	19
No	55	32	0.82
Depth of tumor
Surfacing	42	25
Sub-cortical	23	13	0.89
Deep	20	13
Histology
Low grade	19	15
High grade	66	36	0.36
Glioma location
Lobar	81	50
No-lobar	4	1	0.41
Delineation
Poor	7	7
Moderate	48	22	0.69
Good	30	22
Contrast enhancement pattern
Negligible	21	15
Mixed	52	26	0.99
Predominant	12	10

ISSN: 1472-6947