Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

996 questions · 1,049 findings · 79 reviews · Dementia and Cognitive Improvement

No studies found 240 · 22.9%GRADE not reported 31 · 3%Very low 216 · 20.6%Low 253 · 24.1%Moderate 238 · 22.7%High 71 · 6.8%

Antihypertensive drug therapy vs placebo

Number of cases of dementia Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia

It is very uncertain whether antihypertensive therapy changes number of cases of dementia Range of compared with placebo (very low certainty).

1 finding from 1 review