Analyzing the Mixing Study Results, continued

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The page below is a sample from the LabCE course Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Analyzing the Mixing Study Results, continued

Another method used for the interpretation of mixing study results is the <70% correction method created by KM Devreese:
% correction = [(aPTT patient plasma - aPTT 1:1mix)/(aPTT patient plasma - aPTTpooled normal plasma) x 100]
  • % correction >70% indicates correction
  • % correction <70% indicates no correction