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Systematic Reviews
Copyright: ©Author(s) 2026.
World J Methodol. Jun 20, 2026; 16(2): 113265
Published online Jun 20, 2026. doi: 10.5662/wjm.v16.i2.113265
Table 4 GRADE evidence assessment1
Comparison
Outcome
Studies
Design
Risk of bias
Inconsistency
Indirectness
Imprecision
Certainty
Any anticoagulant vs controlThrombotic events1 RCT, 8 ObsMixedSeriousNot seriousNot seriousSeriousLow
Fondaparinux vs othersThrombotic events5 ObsObservationalSeriousSeriousNot seriousSeriousVery low
Argatroban vs bivalirudinThrombotic events3 ObsObservationalSeriousNot seriousNot seriousSeriousLow
Any anticoagulant vs controlMajor bleeding1 RCT, 10 ObsMixedSeriousSeriousNot seriousSeriousVery low
Any anticoagulant vs controlMortality1 RCT, 8 ObsMixedSeriousSeriousNot seriousSeriousVery low


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