6. Patients at increased risk of bleeding: Surgery in the previous 12 h, expected surgery within 72 h, epidural or spinal puncture in the previous 12 h, platelet count less than 30,000/mm3 in the previous 24 h, INR above 2.0 in the previous 24 h, need of blood products for bleeding in the previous 24 h, treatment with any antithrombotics within 12 h (profylaxis excepted), current or previous intracranial bleeding or traumatic brain or spinal injury within the last month.