Table 2.

Results of hypercoagulability work-up

Test name	Result
Protein C activity	80% (74–151)
Protein S activity	224 (60–145)
Antithrombin activity	90% (75–135)
Lupus anticoagulant	Non-detected
Factor V leiden	Negative
Prothrombin gene mutation	Negative
BCR-ABL1 translocation	Non-detected
Cardiolipin Ig G and IgM	<9 GPL unit/ml (0–14)
Erythropoietin level	116 mIU/ml (4.2–27.8)
Flow cytometry	No evidence of non-Hodgkin's lymphoma or leukaemia
JAK-2 V617F mutation	Positive