1224 Ho 2007.

Methods	Op, CO
Participants	N 25 (M/F:8/17)(B/W/A.0/25/0) Normotension Age 48.8
Interventions	SR 206.9 Dur 14
Outcomes	SBP, DBP, renin, aldosterone
Notes	101 screened, 44 included, LoFo 19
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information
Allocation concealment (selection bias)	Unclear risk	Insufficient information
Blinding (performance bias and detection bias) All outcomes	High risk	Open study
Incomplete outcome data (attrition bias) All outcomes	High risk	Lost to follow up 19/44
Selective reporting (reporting bias)	Low risk	No distinct selective outcome reporting
Blinding of participants and personnel (performance bias) All outcomes	High risk	Open study: Performance bias due to knowledge of the allocated interventions by participants and personnel during the study.
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Outcome detection blinded