These were prolonged prothrombin duration (P = 0.008; OR 10.5; 95% CI 1.3 to 85.5), subarachnoid hemorrhage (P = 0.021; OR 10.9; 95% CI 1.3 to 89.9), and multifocal cerebral hemorrhage (P = 0.026; OR 4.7; 95% CI 1.6 to 14.0). The gene discussed is F2; the disease is subarachnoid hemorrhage.