Agreement of point-of-care prothrombin and activated partial thromboplastin time in dogs with a reference laboratory.

Objectives: To determine the agreement, sensitivity, specificity and accuracy of prothrombin (PT) and activated partial thromboplastin time (aPTT) using the point-of-care analyser SCA2000™ with IDEXX Coag Dx™ cartridges against a reference laboratory (STAGO Start 4®) in canine blood.

Methods: Citrated blood samples from 47 dogs were submitted for PT and aPTT measurements. The STAGO was taken as the gold standard and sensitivity, specificity and accuracy were calculated.