Table 8.

Preference and ease of use ratings and diagnostic accuracy using the full-immersive virtual reality display system between the groups with and without physical discomfort, motion sickness, and eyeglass use.

Impact of usability on preference and diagnostic accuracies	Fisher exact test P value
	Preference			Ease of use			FIVa diagnostic accuracy
	CDSb	NIVc	FIV	CDS	NIV	FIV	Score
Physical discomfort	.57	.17	.85	.20	>.99	>.99	.77
Motion sickness	.15	.34	.43	.67	.29	.58	>.99
Glasses	>.99	>.99	>.99	.48	.51	>.99	>.99

^aFIV: full-immersive virtual reality display system.

^bCDS: conventional display system.

^cNIV: nonimmersivevirtual reality display system.