Table 3.

Mean scores of surgeon’s questionnaire

	3D	TM	p-value
Satisfaction, median [IQR]	30 [30–31]	28 [26.5–28]	0.000
Comfort	4 [4–5]	3 [3–3]	0.000
Visibility	4 [4–5]	5 [4–5]	0.075
Image quality	4 [4–4.5]	4 [4–4]	0.763
Depth perception	5 [5–5]	4 [3.5–4]	0.000
Simplicity to use	4 [4–4]	5 [4–5]	0.000
Maneuverability	4 [4–4]	4 [4–4]	0.484
Teaching	5 [5–5]	3 [2.5–3]	0.000

IQR interquartile range