Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,973 questions · 3,072 findings · 410 reviews · Headline outcomes only

No studies found 559 · 18.2%GRADE not reported 143 · 4.7%Very low 654 · 21.3%Low 833 · 27.1%Moderate 683 · 22.2%High 200 · 6.5%

Aspirin vs placebo

Total mortality · adults with hypertension (patients with atrial fibrillation, congestive heart failure, pre‐eclampsia or pulmonary hypertension were…

Aspirin showed no clear difference in total mortality compared with placebo (low certainty).

1 finding from 1 review

Aspirin vs placebo

Cardiovascular mortality · adults with hypertension (patients with atrial fibrillation, congestive heart failure, pre‐eclampsia or pulmonary hypertension were…

Aspirin showed no clear difference in cardiovascular mortality compared with placebo (low certainty).

1 finding from 1 review

Aspirin vs placebo

Non‐fatal cardiovascular events · adults with hypertension (patients with atrial fibrillation, congestive heart failure, pre‐eclampsia or pulmonary hypertension were…

Aspirin may leads to lower non‐fatal cardiovascular events compared with placebo (low certainty).

1 finding from 1 review

Aspirin vs placebo

Major bleedinga · adults with hypertension (patients with atrial fibrillation, congestive heart failure, pre‐eclampsia or pulmonary hypertension were…

Aspirin leads to higher major bleedinga compared with placebo (high certainty).

1 finding from 1 review

Aspirin vs placebo

Cardiovascular events · adults with hypertension (patients with atrial fibrillation, congestive heart failure, pre‐eclampsia or pulmonary hypertension were…

Aspirin may leads to lower all cardiovascular events compared with placebo (low certainty).

1 finding from 1 review

Summary of findings table ‐ Remifentanil vs diazepam

Surgical assessment/satisfaction score = 1 or 2 (Technically successful procedure as defined by trial authors) · health problem or population

Summary of findings table ‐ Remifentanil may leads to higher surgical assessment/satisfaction score = 1 or 2 (Technically… compared with diazepam (low certainty).

1 finding from 1 review

Summary of findings table ‐ Remifentanil vs diazepam

Maternal OAA score (observer assessment of alertness/sedation) < 4 (Maternal sedation measured using sedation scores as defined by authors) · health problem or population

Summary of findings table ‐ Remifentanil may leads to lower maternal OAA score (observer assessment of alertness/sedation) < 4… compared with diazepam (low certainty).

1 finding from 1 review