Wang 1991.

Methods	RCT
Participants	Male patients with essential hypertension (mean age: qigong 47.57 ± 5.60, control 47.31 ± 6.01) were recruited from a hospital. 306 participants were randomly assigned to 1 of 2 arms ‐ qigong or control. 154 participants were randomly assigned to qigong and 152 to control Ths study was published in China
Interventions	Qigong group: described as calming the mind and keeping the body loose. Also static and dynamic combination of hypertension method in sitting position. Qigong was practised for 20 to 30 minutes once or twice a day. These participants were also given antihypertensive medication Control group: were given antihypertensive medication only Follow‐up: 25 to 30 years
Outcomes	Blood pressure, stroke incidence, all‐cause mortality and stroke death
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