Cho 2012

Methods	RCT
Participants	Recruited from a hospital in Korea 29 participants: 15 intervention, 14 control Inclusion criteria: no virtual reality intervention in the previous 2 years, no surgery in the previous 2 months and no specific medical problems, including psychological problems Exclusion criteria: none described Mean (SD) age: intervention group 64 (7.1), control group 63.7 (8.8) 62% male Stroke details: 41% hemiparesis Timing post stroke: not reported
Interventions	Virtual reality intervention: the Interactive Rehabilitation and Exercise System (IREX) was used for training. The participant performed 6 programs; each program was performed for 5 minutes Control intervention: no intervention Sessions were 60 minutes, 5 times a week for 4 weeks (approximately 20 hours total)
Outcomes	Outcomes recorded at baseline and post‐intervention Upper limb function outcomes: Wolf Motor Function Test Other outcomes: Motor Free Visual Perception Test
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Table of random sampling numbers
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not reported
Incomplete outcome data (attrition bias) All outcomes	High risk	Withdrawals not clearly explained
Selective reporting (reporting bias)	Unclear risk	Protocol not publicly available