Table 6.

Results Questionnaire

	Mean (XC)	SD	Mean (X2)	SD	P value
Superior scope	Scope XC		Scope X2
Glare	8.88	0.64	6.50	0.53	0.0005
Maneuverability	9.50	0.53	9.50	0.53	1.00
Visualization bloody field	9.38	0.52	6.63	0.74	0.0005
Visualization nonbloody field	9.50	0.53	7.75	0.89	0.0021
Illumination	9.25	0.89	7.88	0.83	0.0125
Resolution	9.50	0.53	6.13	0.35	0.0004
Visibility	9.13	0.35	6.38	0.52	0.0003
Overall performance	9.25	0.46	7.25	0.46	0.0004

SD=standard deviation.