Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

74 questions · 76 findings · 31 reviews

No studies found 14 · 18.4%GRADE not reported 9 · 11.8%Very low 16 · 21.1%Low 18 · 23.7%Moderate 13 · 17.1%High 6 · 7.9%

Direct oral anticoagulant secondary prophylaxis vs Low molecular weight heparin secondary prophylaxis

Minor bleeding · patients with cancer with venous thromboembolism

Direct oral anticoagulant secondary prophylaxis probably leads to higher minor bleeding compared with low molecular weight heparin secondary prophylaxis (moderate certainty).

1 finding from 1 review

clopidogrel plus aspirin vs aspirin

Minor bleeding · people with coronary disease, ischaemic cerebrovascular disease, peripheral arterial disease or at high risk of atherothrombotic disease

clopidogrel plus aspirin probably leads to higher minor bleeding compared with aspirin alone (moderate certainty).

1 finding from 1 review

Standard‐dose VKA plus single antiplatelet agent vs vitamin K antagonist (VKA)

Minor bleedingb · people with antiphospholipid syndrome and a history of stroke or thromboembolic events

Standard‐dose VKA plus single antiplatelet agent showed no clear difference in minor bleedingb compared with standard‐dose VKA (low certainty).

1 finding from 1 review

Direct oral anticoagulant secondary prophylaxis vs Low molecular weight heparin secondary prophylaxis

Minor GI bleeding · patients with cancer with venous thromboembolism

It is very uncertain whether direct oral anticoagulant secondary prophylaxis changes minor GI bleeding compared with low molecular weight heparin secondary prophylaxis (very low certainty).

1 finding from 1 review

Direct oral anticoagulant secondary prophylaxis vs Low molecular weight heparin secondary prophylaxis

Minor non‐GI bleeding · patients with cancer with venous thromboembolism

Direct oral anticoagulant secondary prophylaxis probably leads to higher minor non‐GI bleeding compared with low molecular weight heparin secondary prophylaxis (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant secondary prophylaxis vs Low molecular weight heparin secondary prophylaxis

Minor upper GI bleeding · patients with cancer with venous thromboembolism

It is very uncertain whether direct oral anticoagulant secondary prophylaxis changes minor upper GI bleeding compared with low molecular weight heparin secondary prophylaxis (very low certainty).

1 finding from 1 review

Direct oral anticoagulant secondary prophylaxis vs Low molecular weight heparin secondary prophylaxis

Minor lower GI bleeding · patients with cancer with venous thromboembolism

Direct oral anticoagulant secondary prophylaxis showed no clear difference in minor lower GI bleeding compared with low molecular weight heparin secondary prophylaxis (low certainty).

1 finding from 1 review

Factor Xa inhibitors vs Anticoagulants

Minor bleeding · Anticoagulants in ACS

Factor Xa inhibitors showed no clear difference in minor bleeding at 30 days compared with anticoagulants (high certainty).

3 findings from 1 review