Table 2.

Survey subscale median values and confidence intervals for all four virtual reality racing games

Subscale	VRXR [Median (IQR)]	DVR [Median (IQR)]	VRTR [Median (IQR)]	VRWBR [Median (IQR)]	Friedman’s ANOVA p-value
Replicates gaze stabilization exercises	3.00 (2.00)	4.00 (2.00)	3.50 (2.00)	4.00 (1.00)	0.013*
Replicates habituation exercises	4.00 (0.00)	4.00 (1.00)	4.00 (1.00)	4.00 (0.00)	< 0.001*
Effective adjunctive therapy	4.00 (1.00)	4.00 (1.00)	4.00 (0.25)	4.00 (1.00)	0.045*
Replicates exercises prescribed by PT	3.00 (2.00)	3.00 (2.00)	3.00 (2.00)	4.00 (2.00)	< 0.001*
Would recommend to patient	3.00 (1.00)	3.00 (2.00)	4.00 (1.00)	4.00 (1.00)	0.150

DVR Derby Virtual Reality, IQR Interquartile range, PT Physiotherapist, VR Virtual Reality, VRTR Virtual Reality Tunnel Racing, VRWBR Virtual, Reality Real World Bike Racing, VRXR Virtual Reality X-Racer

*A-priori alpha value = 0.05 for Freidman’s Two-Way ANOVA