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Table 1 Correlation coefficients of TEG parameters compared to anti-factor Xa.

From: Application of basic and composite thrombelastography parameters in monitoring of the antithrombotic effect of the low molecular weight heparin dalteparin: an in vivo study

 

Correlation Coefficient (r)

Sensitivity (%)

Specificity (%)

P value

R

0.82

68

100

<0.0001

α

- 0.72

100

57

<0.0001

MA

- 0.68

100

36

<0.0001

TDR

- 0.87

95

79

<0.0001

  1. Sensitivity and specificity of the TEG parameters for anti-factor Xa level in therapeutic range of 0.5 - 1.0 U/ml.
  2. α: angle of Alpha, MA: maximum amplitude; R: reaction time, TDR: thrombodynamic ratio.