Table.

Thrombophilia investigation

Thrombophilic risk factors	Results
Factor V Leiden	Negative
Prothrombin gene mutation	Negative
MTHFR gene mutation	Positive for 1 copy of C677T variant
Protein C	67% (67%-141%)
Protein S, free	28%∗ (55%-124%)
Antithrombin III	55% (72%-129%)
Lupus anticoagulant: DRVVT; lupus anticoagulant ratio	79.6 seconds (28-48); 1.5 (0.8-1.2)
Cardiolipin antibody	IgA <11, IgG 73 (≤14), IgM 31 (≤12)
Beta 2 glycoprotein 1	IgA <9, IgG 58 (≤20), IgM <9
Lipoprotein (a)	67.3 nmol/L (<75)

DRVVT, dilute Russell's viper venom time.

Normal range, if applicable, in parentheses.

^∗Repeat in 4 weeks was normal at 89%.