Li 2010a.

Methods	RCT Method of randomisation: random number table Blinding: not stated Adverse effects: none ITT analysis: not stated Losses to FU: 4
Participants	Country: China Number of participants included: 46 (24/22) Demographics: aged 47‐79 years, 59% male Type of stroke: both ischaemic and haemorrhagic strokes Diagnosis: CT/MRI Severity on entry: not stated Time from stroke onset: 1‐36 months Setting: outpatient Comparability: no significant difference in age or time post onset
Interventions	Comparison: acupuncture + WM versus WM Acupuncture treatment Acupuncture rationale: not stated Needling details Points used: both body and scalp acupoints Numbers of points used: 5 scalp acupoints and 6 body acupoints Depths of insertion: 0.66‐1.5 inches Deqi elicited: yes Needle stimulation: manual and electrical Needle retention time: 30 minutes Needle type: gauge 30#, length 1.97 inches Treatment regimen Number of treatment sessions: 60 sessions Frequency of treatment: 5 sessions/week Total course: 12 weeks Practitioner background: not stated Co‐intervention: WM Control interventions: WM
Outcomes	Improvement of cognitive function (MMSE HDS‐R) Improvement of independence (Barthel Index) Adverse events FU: 12 weeks
Notes	‐
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Randomisation by using random number table
Allocation concealment (selection bias)	Unclear risk	Information on allocation concealment was not reported
Blinding (performance bias and detection bias) All outcomes	Unclear risk	Information on blinding was not reported
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Information on blinding was not reported
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Information on blinding was not reported
Incomplete outcome data (attrition bias) All outcomes	Low risk	Treatment: 1 participant could not finish the treatment protocol Control: 3 participants could not finish the control protocol
Selective reporting (reporting bias)	Unclear risk	Some patient‐related outcomes were not reported, such as information on quality of life or all‐cause mortality
Other bias	Unclear risk	No information provided