Guo 2012.

Methods	RCT Method of randomisation: not stated Blinding: not stated Adverse effects: not stated ITT analysis: not stated Losses to FU: not stated
Participants	Country: China Number of participants included: 60 (30/30) Demographics: aged 38 to 73 years, 68% male Type of stroke: unclear Diagnosis: unclear Severity on entry: not stated Time from stroke onset: 3 months to 5 years Setting: inpatient Comparability: comorbidity and past history similar
Interventions	Comparison: acupuncture + OT versus OT Acupuncture treatment Acupuncture rationale: not stated Needling details Points used: body acupoints Numbers of points used: 1 acupoint Depths of insertion: 0.28‐0.55 inch Deqi elicited: not stated Needle stimulation: manual Needle retention time: not stated Needle type: the needles were 1.57 inches long Treatment regimen Number of treatment sessions: 6‐12 sessions Frequency of treatment: 6/week Total course: 1‐2 weeks Practitioner background: not stated Co‐intervention: OT Control interventions: OT
Outcomes	Number of participants with improvement in swallowing function (water drinking test)
Notes	‐
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	The method of random sequence generation was not reported
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	Unclear risk	Information on attrition was not reported
Selective reporting (reporting bias)	Unclear risk	Free of selective reporting bias was assessed as 'unclear' due to some clinically important outcomes unstated, such as quality of life, mortality and adverse events
Other bias	Unclear risk	No information provided