Wang 1989.

Methods	RCT
Participants	Male patients with essential hypertension were recruited from a hospital, and 100 participants were randomly assigned to 1 of 2 arms ‐ qigong or antihypertensive drugs only Inclusion criteria: no adverse reactions to food 50 participants were randomly assigned to qigong, and 50 to control This study was published in China
Interventions	Qigong group: calm relaxing movements with hypertension basic stance. Qigong was practised for 20 to 30 minutes once or twice a day for 1 year. Participants were also given antihypertensive medication Control group: given antihypertensive medication with no qigong therapy Follow‐up: 1 year
Outcomes	Lipid levels
Notes	Article was translated by MSL and was checked by JSWK
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not stated
Allocation concealment (selection bias)	Unclear risk	Not stated
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not stated
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Information was insufficient for judgement
Selective reporting (reporting bias)	Unclear risk	Information was insufficient for judgement
Other bias	Unclear risk	Information was insufficient for judgement