Warfarin showed no clear difference in graft thrombosis (up to 37 months) compared with placebo (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Warfarin showed no clear difference in all‐cause death compared with placebo or no treatment (low certainty).
The review found no eligible studies for this question.
Warfarin may leads to higher major bleeding eventsc compared with placebo or no treatment (low certainty).
10 mg warfarin nomogram probably leads to higher therapeutic INR INR TEST compared with 5 mg warfarin nomogram (moderate certainty).
10 mg warfarin nomogram showed no clear difference in recurrent venous thromboembolism sonography or lung scan or chest… compared with 5 mg warfarin nomogram (low certainty).
10 mg warfarin nomogram showed no clear difference in major bleeding fall in hemoglobin of > 20 g/L or transfusion of 2 or… compared with 5 mg warfarin nomogram (moderate certainty).
It is very uncertain whether 10 mg warfarin nomogram changes minor bleeding it is not major bleeding compared with 5 mg warfarin nomogram (very low certainty).
Summary of findings: warfarin showed no clear difference in all‐cause mortality compared with aspirin (moderate certainty).
Summary of findings: warfarin showed no clear difference in non‐fatal cardiovascular events (non‐fatal stroke, myocardial… compared with aspirin (moderate certainty).
Summary of findings: warfarin probably leads to higher major bleeding events compared with aspirin (moderate certainty).
Summary of findings: warfarin showed no clear difference in all‐cause mortality compared with clopidogrel (low certainty).
Summary of findings: warfarin showed no clear difference in non‐fatal cardiovascular events (non‐fatal stroke, myocardial… compared with clopidogrel (low certainty).
Summary of findings: warfarin may leads to higher major bleeding events compared with clopidogrel (low certainty).
Direct oral anticoagulants (DOAC) showed no clear difference in all strokes and systemic embolic events compared with warfarin (moderate certainty).
Direct oral anticoagulants (DOAC) showed no clear difference in major bleeding compared with warfarin (low certainty).