Choice of intraoperative ultrasound adjuncts for brain tumor surgery

Table 1 Description of complete data set

	2D (n = 143)	3DUS (n = 207)	p-value
	Mean (SD)		p-value
Age (in years)	40.32 (15.72)	41.86 (13.97)	0.35
Length (in cm)	4.81 (1.59)	4.98 (1.65)	0.21
Width (in cm)	3.91 (1.18)	3.83 (1.14)	0.53
Height (in cm)	4.03 (1.30)	4.15 (1.33)	0.34
Surgeon experience (no. of surgeries)	143.17 (64.65)	184.23 (55.20)	0.00*
Gender
Male	97	149	0.4
Female	46	58
Prior treatment
Yes	45	36
No	98	171	0.00*
Eloquent location
Yes	55	98
No	88	109	0.1
Depth of tumor
Surfacing	68	113
Sub-cortical	41	49
Deep	34	45	0.26
Histology
Low grade	31	49
High grade	112	158	0.66
Glioma location
Lobar	135	203	0.06
No-Lobar	8	4
Delineation
Poor	10	23
Moderate	80	102
Good	53	82	0.97
Contrast enhancement pattern
Negligible	33	78
Mixed	88	80
Predominant	22	49	0.30

ISSN: 1472-6947