Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

182 questions · 221 findings · 31 reviews · Hypertension

No studies found 8 · 3.6%GRADE not reported 31 · 14%Very low 33 · 14.9%Low 72 · 32.6%Moderate 56 · 25.3%High 21 · 9.5%

Roselle extract vs placebo

Change** in pulse pressure (mmHg) · hypertension in adults with type 2 diabetes mellitus

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Effect on systolic blood pressure (mean difference in systolic blood pressure) · adults with primary hypertension

The intervention showed no clear difference in effect on systolic blood pressure (mean difference in systolic blood… (moderate certainty).

1 finding from 1 review

Intervention not reported

Effect on diastolic blood pressure (mean difference in diastolic blood pressure) · adults with primary hypertension

The intervention showed no clear difference in effect on diastolic blood pressure (mean difference in diastolic… (moderate certainty).

1 finding from 1 review

Intervention not reported

High vs low dose Systolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High vs low dose Diastolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review