Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,372 questions · 3,874 findings · 666 reviews

No studies found 431 · 11.1%GRADE not reported 783 · 20.2%Very low 995 · 25.7%Low 909 · 23.5%Moderate 596 · 15.4%High 160 · 4.1%

Titrated oxygen therapy vs high‐flow oxygen therapy

Ventilation of any type · adults with acute exacerbations of chronic obstructive pulmonary disease

Titrated oxygen therapy showed no clear difference in ventilation of any type compared with high‐flow oxygen therapy (low certainty).

1 finding from 1 review

Retrievable vena caval filters with anticoagulation vs anticoagulation

Recurrent PE · participants with unprovoked acute symptomatic PE and at high risk for recurrent PEa

Retrievable vena caval filters with anticoagulation showed no clear difference in PE: recurrent fatal and non‐fatal PE, demonstrated by CT, pulmonary… compared with anticoagulation (moderate certainty).

1 finding from 1 review

Retrievable vena caval filters with anticoagulation vs anticoagulation

Mortality (up to 6 months) · participants with unprovoked acute symptomatic PE and at high risk for recurrent PEa

Retrievable vena caval filters with anticoagulation showed no clear difference in mortality (up to 6 months) compared with anticoagulation (moderate certainty).

1 finding from 1 review

Retrievable vena caval filters with anticoagulation vs anticoagulation

Symtomatic lower extremity venous thrombosis confirmed by Doppler ultrasound or venography (up to 6 months) · participants with unprovoked acute symptomatic PE and at high risk for recurrent PEa

Retrievable vena caval filters with anticoagulation showed no clear difference in symtomatic lower extremity venous thrombosis confirmed by Doppler… compared with anticoagulation (moderate certainty).

1 finding from 1 review

Retrievable vena caval filters with anticoagulation vs anticoagulation

Major bleeding · participants with unprovoked acute symptomatic PE and at high risk for recurrent PEa

Retrievable vena caval filters with anticoagulation showed no clear difference in major bleedingc (up to 6 months) compared with anticoagulation (moderate certainty).

1 finding from 1 review

Intervention not reported

Overall mortality · alcohol consumers with high blood pressure

The intervention showed no clear difference in overall mortality (low certainty).

1 finding from 1 review

Intervention not reported

Cardiovascular events · alcohol consumers with high blood pressure

It is very uncertain whether the intervention changes cardiovascular events (very low certainty).

1 finding from 1 review