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Table 2 DRVVT, DAPTT and TSVT mixing study data from 80 orally anticoagulated patients with lupus anticoagulants

From: Combining Taipan snake venom time/Ecarin time screening with the mixing studies of conventional assays increases detection rates of lupus anticoagulants in orally anticoagulated patients

Assay

n

Number with confirmatory test correction back into reference range (%)

Number without confirmatory test correction back into reference range (%)

DRVVT

56

7 (12.5)

49 (87.5)

DAPTT

47

26 (55.3)

21 (44.7)

TSVT/ET *

58

26 (44.8)

4 (6.9)

  1. * Twenty eight of 58 (48.3%) TSVT mixing studies had TSVT ratios within the mixing study specific reference range and were excluded from this analysis. DRVVT, dilute Russell's viper venom time; DAPTT, dilute activated partial thromboplastin time; TSVT, Taipan snake venom time; ET, Ecarin time
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