Cochrane · systematic review · CD008980

Factor Xa inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in patients with atrial fibrillation

Bruins Slot, KMH, Berge, E · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library

Stroke2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
5
current version
GRADE rated
5
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 40%High 3 · 60%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Comparison

Population: people with atrial fibrillation deemed eligible for long‐term anticoagulant treatment
CD008980.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Stroke and other systemic embolic events
OR 0.89 [0.82, 0.97]13 studies · 67477 participantsHigh
All strokes
OR 0.89 [0.81, 0.97]13 studies · 67449 participantsHigh
Major bleedings
OR 0.78 [0.73, 0.84]13 studies · 67396 participantsModerate
Downgraded: inconsistency
Intracranial haemorrhages
OR 0.5 [0.42, 0.59]12 studies · 66259 participantsHigh
All‐cause deaths
OR 0.89 [0.83, 0.95]10 studies · 65624 participantsModerate
Downgraded: inconsistency

Comparison

Population: Patients with atrial fibrillation deemed eligible for long‐term anticoagulant treatment
CD008980.PUB2 · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Stroke and other systemic embolic events (
RR 0.82 [0.73, 0.91]9 studies · 40777 participantsHigh
All strokes (
RR 0.79 [0.69, 0.89]9 studies · 40749 participantsHigh
Major bleedings (
RR 0.9 [0.82, 0.98]10 studies · 42078 participantsModerate
Downgraded: inconsistency
Intracranial haemorrhages (
RR 0.56 [0.45, 0.7]8 studies · 39638 participantsHigh
All‐cause deaths (
RR 0.89 [0.82, 0.97]6 studies · 38924 participantsHigh