Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

1,615 questions · 1,673 findings · 190 reviews · Headline outcomes only

No studies found 278 · 16.6%GRADE not reported 85 · 5.1%Very low 328 · 19.6%Low 460 · 27.5%Moderate 402 · 24%High 120 · 7.2%

ASA with LMWH vs placebo or IVIG

Bleeding ‐ major (bleeding requiring transfusion) Length of · people with antiphospholipid antibodies and no history of thrombosis

ASA with LMWH showed no clear difference in bleeding ‐ major (bleeding requiring transfusion) Length of compared with placebo or IVIG (moderate certainty).

1 finding from 1 review

ASA with LMWH vs placebo or IVIG

Bleeding ‐ other (bleeding during first trimester) Length of · people with antiphospholipid antibodies and no history of thrombosis

ASA with LMWH showed no clear difference in bleeding ‐ other (bleeding during first trimester) Length of compared with placebo or IVIG (moderate certainty).

1 finding from 1 review

ASA with LMWH vs placebo or IVIG

Bleeding ‐ other (postpartum haemorrhage) Length of · people with antiphospholipid antibodies and no history of thrombosis

ASA with LMWH showed no clear difference in bleeding ‐ other (postpartum haemorrhage) Length of compared with placebo or IVIG (moderate certainty).

1 finding from 1 review

ASA + high‐dose LMWH vs ASA + low‐dose LMWH or UFH

Subcutaneous bruises · people with antiphospholipid antibodies and no history of thrombosis

ASA + high‐dose LMWH showed no clear difference in subcutaneous bruises compared with ASA + low‐dose LMWH or UFH (low certainty).

1 finding from 1 review

Anticoagulant with or without ASA vs ASA only

Minor bleeding · people with antiphospholipid antibodies and no history of thrombosis

Anticoagulant with or without ASA may leads to higher bleeding ‐ minor (not requiring hospital admission) Median compared with ASA only (low certainty).

1 finding from 1 review

Anticoagulant with or without ASA vs ASA only

Adverse event other than bleeding · people with antiphospholipid antibodies and no history of thrombosis

Anticoagulant with or without ASA led to lower adverse event other than bleeding compared with ASA only; GRADE not reported.

1 finding from 1 review