Table 2

- Details of predisposing factors in patients with cerebral venous sinus thrombosis.

Risk factorsn (%)
Infections
 Mastoiditis2 (5.5)
 Meningitis and cholesteatoma1 (2.7)
Female related factor
 Puerperium5 (13.8)
 Oral contraceptive usage4 (11.1)
Thrombotic disorders
 Protein S deficiency5 (13.8)
 Hyperhomocysteinemia1 (2.7)
 Positive lupus anticoagulant4 (11.1)
 Positive antiphospholipid and anticardiolipin antibodies1 (2.7)
 Polycythemia1 (2.7)
other
 Iron deficiency anemia11 (30.5)
 Sickle cell trait3 (8.3)
 Behcet’s disease2 (5.5)
 Ulcerative colitis2 (5.5)
 Diabetic ketoacidosis1 (2.7)
 Dehydration2 (5.5)