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. 2017 Apr 9;2017(4):CD004022. doi: 10.1002/14651858.CD004022.pub4

1049 Lawton 1988 H.

Methods Op
 CO
Participants N9
 Hyp
 Age25
Interventions SR328
 Dur6
Outcomes SBP 
 DBP
 Renin 
 NA
Notes LoFo: 0
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 Low risk Lost to follow up 0
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 High risk Open study: Detection bias due to knowledge of the allocated interventions by outcome assessors