Table 1.

Results of coagulation testing in two different hospital laboratories.

Sample 1Sample 2 (1 week later)
Lab AaLab BbLab ALab Cc
INR2.51.25.43.1
APTT (s)>125NMd>12553
LANMNMPositivePositive
β2-glycoprotein IgGNMNMPositiveNM
Anticardiolipin IgGNMNMPositiveNM
  • a INR reagent, Innovin (Siemens); APTT reagent, Actin-FSL (Siemens).

  • b INR reagent, Hepato-Prest (Stago); APTT reagent, NM.

  • c INR reagent, Thromborel S (Siemens); APTT reagent, Actin-FS (Siemens).

  • d NM, not measured.