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What do systematic reviews say?

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Evidence found and GRADE certainty

32 questions · 32 findings · 17 reviews · Hypertension

No studies found 5 · 15.6%GRADE not reported 0 · 0%Very low 10 · 31.3%Low 11 · 34.4%Moderate 6 · 18.8%High 0 · 0%

Intervention not reported

Adverse events · people with primary hypertension
1 finding from 1 review

Evening vs morning dosing regimen

Serious adverse events · adults with primary (essential) hypertension whose systolic or diastolic (or both) blood pressure levels were 130/80 mmHg or greater

It is very uncertain whether evening changes serious adverse events compared with morning dosing regimen (very low certainty).

1 finding from 1 review

Evening vs morning dosing regimen

Overall adverse events · adults with primary (essential) hypertension whose systolic or diastolic (or both) blood pressure levels were 130/80 mmHg or greater

It is very uncertain whether evening changes overall adverse events compared with morning dosing regimen (very low certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Total serious adverse events · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in total serious adverse events compared with standard blood pressure targets (low certainty).

1 finding from 1 review

Antihypertensive drug therapy vs placebo or no treatment

Total serious adverse events · adults (18 years of age or older) with hypertension‐induced left ventricular hypertrophy

It is very uncertain whether antihypertensive therapy changes total serious adverse events compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Antihypertensive drug therapy vs placebo or no treatment

Withdrawals due to adverse events · adults (18 years of age or older) with hypertension‐induced left ventricular hypertrophy

It is very uncertain whether antihypertensive therapy changes withdrawal due to adverse events compared with placebo or no treatment (very low certainty).

1 finding from 1 review