Factors influencing enoxaparin anti-Xa activity in surgical critically ill patients

In the study, prophylactic SC enoxaparin in critically ill patients at the current 30 mg SC twice daily dosage attained an anti-Xa level more than 0.1 U/mL in nearly all patients. In addition, low creatinine clearances and female sex are associated with higher anti-Xa activity AUC0-12h.