Patients with SERPINC1 rs2227589 polymorphism found to have multiple cerebral venous sinus thromboses despite a normal antithrombin level: A case report

Table 1 Clinical phenotypes and coagulation test data of the patient and his daughter

Subjects	Age	Clinical phenotype	AT activity, %	Protein C, %	Protein S, %	LA1/LA2
Patient	50	1 episode	81.8	52.8	31.9	1.16
Daughter	27	No thrombotic events	90.1	104.6	56.4	-

At the time of testing, the patient had been taking warfarin for 1 wk. AT: Antithrombin; LA1/LA2: Preliminary screening/diagnosis of lupus.