Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,310 questions · 1,358 findings · 214 reviews

No studies found 230 · 16.9%GRADE not reported 169 · 12.4%Very low 269 · 19.8%Low 277 · 20.4%Moderate 291 · 21.4%High 122 · 9%

Cognitive training vs alternative treatment immediately post intervention

Participant burden (retention rates) · people with mild to moderate dementia

It is very uncertain whether cognitive training changes participant burden (retention rates) compared with alternative treatment immediately post intervention (very low certainty).

1 finding from 1 review

Any antihypertensive drug vs no antihypertensive drugs/placebo

Maternal · women with mild to moderate hypertension during pregnancy

The review found no eligible studies for this question.

2 findings from 1 review

Any antihypertensive drug vs no antihypertensive drugs/placebo

Changed/stopped drugs due to maternal side‐effects · women with mild to moderate hypertension during pregnancy

Any antihypertensive drug showed no clear difference in changed/stopped drugs due to maternal side‐effects compared with no antihypertensive drugs/placebo (low certainty).

1 finding from 1 review

Any antihypertensive drug vs no antihypertensive drugs/placebo

Elective delivery (induction of labour + elective caesarean section) · women with mild to moderate hypertension during pregnancy

Any antihypertensive drug showed no clear difference in elective delivery (induction of labour + elective caesarean section) compared with no antihypertensive drugs/placebo (moderate certainty).

1 finding from 1 review