Outcome Total
Studies/
Participants, n/n
Risk for Bias
Design (Quality)
Consistency Directness Precision Peto Odds Ratio
(95% CI)
Strength of
Evidence
Thromboembolic events 14/7759 RCTs (fair) Consistent Direct Precise 0.58 (0.45–0.75) Moderate
Major bleeding events 16/7867 RCTs (fair) Consistent Direct Precise 0.87 (0.75–1.05) Moderate
Mortality 13/6370 RCTs (fair) Inconsistent Direct Precise 0.74 (0.63–0.87) Low