Comparison 4. Additional virtual reality intervention: effect on upper limb function post intervention: subgroup analyses.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Dose of intervention	10	210	Std. Mean Difference (IV, Fixed, 95% CI)	0.49 [0.21, 0.77]
1.1 Less than 15 hours of intervention	7	153	Std. Mean Difference (IV, Fixed, 95% CI)	0.47 [0.14, 0.80]
1.2 More than 15 hours of intervention	3	57	Std. Mean Difference (IV, Fixed, 95% CI)	0.54 [0.00, 1.07]
2 Time since onset of stroke	9	181	Std. Mean Difference (IV, Fixed, 95% CI)	0.44 [0.14, 0.74]
2.1 Less than 6 months	5	102	Std. Mean Difference (IV, Fixed, 95% CI)	0.28 [‐0.12, 0.67]
2.2 More than 6 months	4	79	Std. Mean Difference (IV, Fixed, 95% CI)	0.65 [0.19, 1.11]
3 Specialised or gaming	10	210	Std. Mean Difference (IV, Fixed, 95% CI)	0.49 [0.21, 0.77]
3.1 Specialised	7	139	Std. Mean Difference (IV, Fixed, 95% CI)	0.40 [0.06, 0.75]
3.2 Gaming	3	71	Std. Mean Difference (IV, Fixed, 95% CI)	0.67 [0.18, 1.15]