Profylaktisk heparin - behandling forøgede ikke risikoen for alvorlig blødning sammenlignet med placebo (3, 9% mod 5, 2%), CNS blødning inkluderet (1, 0% mod 0, 7%).
Prophylactic heparin did not increase the risk of serious bleeding compared to placebo (3.9% vs 5.2%, respectively), including CNS bleeding (1.0% vs 0.7%, respectively).