Hollenstein 2011

Methods	Cross‐over RCT A cross‐over design was used (only the first period before cross‐over was used for data analysis) Methods of randomisation: described as follows: "subjects were randomly assigned by lottery of the supervising therapist"
Participants	Country: Germany Sample size: 13 participants (7 in treatment group, 6 in control group) Inclusion criteria: first‐time stroke, affected arm and first rehabilitation Exclusion criteria: none described
Interventions	2 groups: group A: received robot‐mediated therapy with the Armeo device 5 times a week for 30 minutes over 2 weeks (10 times) group B: received an arm group programme (without device) delivered by an occupational therapist for the same time and frequency as group A
Outcomes	Outcomes were recorded before and after 10 treatment sessions FMA
Notes	This study was published in German
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Randomly assigned by lottery of the supervising therapist
Allocation concealment (selection bias)	Unclear risk	Insufficient information about the concealment of allocation
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Insufficient information about the concealment of allocation
Selective reporting (reporting bias)	Unclear risk	Insufficient information to permit judgement