Table 1

Frequencies of lupus anticoagulant positivity with different assay combinations in 80 orally anticoagulated patients with lupus anticoagulants


Assay combinations



DRVVT, DAPTT & TSVT
DRVVT & DAPTT
DRVVT only
DAPTT only
TSVT/ET only
TSVT/ET & DRVVT
TSVT/ET & DAPTT

Number positive for LA (%)
33 (41.3)
6 (7.5)
12 (15.0)
4 (5.0)
16 (20.0)
5 (6.2)
4 (5.0)

LA, lupus anticoagulant; DRVVT, dilute Russell's viper venom time; DAPTT, dilute activated partial thromboplastin time; TSVT, Taipan snake venom time; ET, Ecarin time

Moore Thrombosis Journal 2007 5:12   doi:10.1186/1477-9560-5-12