. Author manuscript; available in PMC: 2017 Jul 26.

Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2014 Mar;22(2):389–399. doi: 10.1109/TNSRE.2013.2294904

Table 5.

Pre and post symptom ratings (mean ± SEM) of Visual Analog Scale (VAS) and Simulator Sickness Questionnaire (SSQ) for subjects in the virtual reality based therapy (VRBT) group. P-values obtained from Wilcoxon signed ranks test.

	Pre	Post	Time p-value
VAS
Dizziness	0.5 ± 0.2	1.5 ± 0.4	0.001
Headache	0.5 ± 0.2	0.8 ± 0.3	0.034
Nausea	0.1 ± 0.1	0.4 ± 0.1	0.003
Visual Blurring	0.4 ± 0.2	0.8 ± 0.3	0.001
SSQ
Disorientation	1.7 ± 0.3	2.7 ± 0.4	0.001
Nausea	0.8 ± 0.2	1.8 ± 0.3	< 0.001
Oculomotor Stress	2.2 ± 0.4	3.0 ± 0.4	0.002