Table 1.

Study quality assessment for controlled trials using the Cochrane Collaboration’s Tool

Author (Date)	Selection bias	Allocation Concealment	Performance bias	Detection bias	Attrition bias	Reporting bias	Other
Sajid, et al. [46]	Low - Participants were randomised into one of three groups	Unclear - Randomisation concealment not specified	Low - Blinding of participants not possible. Investigators blinded	Low - Investigators, study statistician and data managers were blinded throughout.	Unclear - Not all outcome data was reported (6MWT)	Unclear - No reporting of one variable (6MWT)	Details regarding Wii intervention are vague and lack detail
Yoon, et al. [20]	Unclear - Stratified random sampling used	Unclear - Concealment unspecified	Unclear - Blinding of participants not specified	Low - Evaluation performed by a blinded occupation therapist	Low - No missing outcome data.	Low - All outcomes reported and discussed sufficiently.