Table 3 Symptoms of VR sickness reported after 1st and after 8th session.
VBM (n = 13) | VR control (n = 15) | P valueb | P valuec | |||||
|---|---|---|---|---|---|---|---|---|
After 1st session | After 8th session | Pa | After 1st session | After 8th session | Pa | |||
Blurred vision | ||||||||
Yes | 9(69.23%) | 8(61.54%) | 0.564 | 10(66.67%) | 8(53.33%) | 0.414 | 1 | 0.956 |
No | 4(30.77%) | 5(38.46%) | 5(33.33%) | 7(46.67%) | ||||
Burping | ||||||||
Yes | 0(0%) | 1(7.69%) | NA | 1(6.67%) | 1(6.67%) | NA | 1 | 1 |
No | 13(100%) | 12(92.31%) | 14(93.33%) | 14(93.33%) | ||||
Difficulty concentrating | ||||||||
Yes | 6(46.15%) | 4(30.77%) | 0.157 | 5(33.33%) | 7(46.67%) | 0.317 | 0.761 | 0.638 |
No | 7(53.85%) | 9(69.23%) | 10(66.67%) | 8(53.33%) | ||||
Difficulty with visual focus | ||||||||
Yes | 10(76.92%) | 9(69.23%) | 0.317 | 8(53.33%) | 8(53.33%) | 1 | 0.254 | 0.638 |
No | 3(23.08%) | 4(30.77%) | 7(46.67%) | 7(46.67%) | ||||
Dizziness when eyes closed | ||||||||
Yes | 3(23.08%) | 1(7.69%) | 0.157 | 1(6.67%) | 0(0%) | NA | 0.311 | 0.464 |
No | 10(76.92%) | 12(92.31%) | 14(93.33%) | 15(100%) | ||||
Dizziness when eyes opened | ||||||||
Yes | 3(23.08%) | 1(7.69%) | 0.157 | 1(6.67%) | 1(6.67%) | 1 | 0.311 | 1 |
No | 10(76.92%) | 12(92.31%) | 14(93.33%) | 14(93.33%) | ||||
Eye fatigue | ||||||||
Yes | 9(69.23%) | 7(53.85%) | 0.157 | 6(40%) | 3(20%) | 0.083 | 0.243 | 0.114 |
No | 4(30.77%) | 6(46.15%) | 9(60%) | 12(80%) | ||||
Fatigue | ||||||||
Yes | 7(53.85%) | 4(30.77%) | 0.083 | 3(20%) | 6(40%) | 0.180 | 0.114 | 0.705 |
No | 6(46.15%) | 9(69.23%) | 12(80%) | 9(60%) | ||||
Fullness of head | ||||||||
Yes | 8(61.54%) | 3(23.08%) | 0.025 | 3(20%) | 7(46.67%) | 0.046 | 0.063 | 0.254 |
No | 5(38.46%) | 10(76.92%) | 12(80%) | 8(53.33%) | ||||
General discomfort | ||||||||
Yes | 8(61.54%) | 5(38.46%) | 0.083 | 9(60%) | 10(66.67%) | 0.655 | 1 | 0.266 |
No | 5(38.46%) | 8(61.54%) | 6(40%) | 5(33.33%) | ||||
Headache | ||||||||
Yes | 3(23.08%) | 2(15.38%) | 0.564 | 2(13.33%) | 2(13.33%) | 1 | 0.639 | 1 |
No | 10(76.92%) | 11(84.62%) | 13(86.67%) | 13(86.67%) | ||||
Increased salivation | ||||||||
Yes | 3(23.08%) | 3(23.08%) | 1 | 2(13.33%) | 1(6.67%) | 0.317 | 0.639 | 0.311 |
No | 10(76.92%) | 10(76.92%) | 13(86.67%) | 14(93.33%) | ||||
Nausea | ||||||||
Yes | 2(15.38%) | 0(0%) | NA | 1(6.67%) | 0(0%) | NA | 0.583 | NA |
No | 11(84.62%) | 13(100%) | 14(93.33%) | 15(100%) | ||||
Stomach discomfort | ||||||||
Yes | 0(0%) | 2(15.38%) | NA | 1(6.67%) | 1(6.67%) | NA | 1 | 0.583 |
No | 13(100%) | 11(84.62%) | 14(93.33%) | 14(93.33%) | ||||
Sweating | ||||||||
Yes | 2(15.38%) | 1(7.69%) | 0.317 | 1(6.67%) | 0(0%) | NA | 0.583 | 0.464 |
No | 11(84.62%) | 12(92.31%) | 14(93.33%) | 15(100%) | ||||
Vertigo | ||||||||
Yes | 3(23.08%) | 2(15.38%) | 0.317 | 1(6.67%) | 1(6.67%) | NA | 0.311 | 0.583 |
No | 10(76.92%) | 11(84.62%) | 14(93.33%) | 14(93.33%) | ||||
