Den aktiverede partielle tromboplastintid (aPTT) og Heptest forlænges også i forhold til dosis, men de anbefales ikke til vurdering af rivaroxabans farmakodynamiske effekt.
The activated partial thomboplastin time (aPTT) and HepTest are also prolonged dose-dependently; however, they are not recommended to assess the pharmacodynamic effect of rivaroxaban.