... thromboplastin time (aPTT) assays moni-tor clot formation but are insensitive to hypercoagulant states,especially during anticoagulation. Plasma anti-Xa activitymeasures anticoagulant activity of LMWHs. ... Injury, Failure) System [12]. Risk was scored as1, injury as 2 and failure as 3.Data analysisIn this explorative study, the data are analyzed for the rand-omized groups separately, for the ... Sysmex CA-1500 coagulationanalyzer (all Siemens Healthcare Diagnostics, Deerfield, IL,USA), and platelet counts on a Sysmex XE-2100 hematologyanalyzer (Sysmex, Kobe, Japan).Anti-Xa activity was...