Table 3.

Description of studies assessing postural control in older adults.

Study	Assessment of postural control	VR intervention (n)	Control (n)	Total (n)	SMD	SE	95% CI	t	p
Bateni (2012)	Wii Fit game (Bubble Test) pre-post score: requires participants to maneuver their center of body mass in a controlled manner within a VR environment	5	6	11	−0.960	0.590	−2.294 to 0.375
Kim et al. (2013)	Ground reaction force plate: backward step test with eyes open	18	14	32	1.412	0.390	0.617–2.208
Lai et al. (2013)	Catsys 2000 system: a platform with 3 orthogonal strain gage devices	15	15	30	1.487	0.404	0.660–2.315
Park et al. (2015)	Static postural sway length (mm) measurement system: “Biorescue”	12	12	24	0.636	0.405	−0.203 to 1.475
Singh et al. (2013)	Intelligent balance board: combined scores to obtain an overall performance rating score	18	18	36	1.328	0.362	0.593–2.063
Toulotte et al. (2012)	Estimated a percentage of center of gravity score by using “Wii Fit” balance assessment VR tool	9	9	18	1.578	0.520	0.475–2.681
Total (fixed effects)		77	74	151	0.826	0.174	0.481–1.170	4.738	<0.001
Total (random effects)		77	74	151	0.714	0.454	−0.184 to 1.611	1.571	0.118