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Table 2 Chromogenic substrate test

From: Supporting the use of a coagulometric method for rivaroxaban control: a hypothesis-generating study to define the safety cut-offs

Correlation at trough (24 h) R-C
aFXa Rivaroxaban 0,6881
  P = 0.0001
Correlation at peak (2 h)  
aFXa Rivaroxaban 0,3908
  P = 0.033
  1. Coefficient of correlations between R-C and rivaroxaban in plasma
  2. R-C Ratio patient plasma / normal plasma