Table 3.

Characteristics of the included studies for walking ability.

Author(s), year	Aim	ka	Sample size	Measuring instrument	Effect size			I2	kadj
					Effect size	95% CI (LLb to ULc)	P value
Iruthayarajah et al, 2017 [24]	To evaluate the effectiveness of VRd interventions in improving balance in a chronic stroke population	13	EGe: 145; CGf: 166	TUGg	0.367	0.134 to 0.601	.002	0	5.467
Liang et al, 2020 [26]	To evaluate the effectiveness of VR technology in promoting balance and walking function rehabilitation in stroke	18	EG: 271; CG: 271	TUG	–2.79	–4.88 to –0.69	.009	86.2	12.267

^ak: number of primary studies.

^bLL: lower limit.

^cUL: upper limit.

^dVR: virtual reality.

^eEG: experimental group.

^fCG: control group.

^gTUG: Timed Up and Go.