The most common methods for monitoring UFH are the activated partial thromboplastin ... range (66% vs 42%, p < 0.0001). A significant difference was seen between the 2 groups in the number of aPTT ...
Patients in the anti-Xa HA group also had more test values within the therapeutic range (66% vs 42%, p < 0.0001) and fewer subtherapeutic or supratherapeutic test values than the aPTT group ...