The Effects of Blood Transfusion Triggers on Mortality and Lactate Clearance

The number needed to treat is about we estimate about 15. The systolic blood pressure was 70. Our injury severity score gives us the title of the sickest patient ever recruited to a pre-hospital trial and we definitely recruited the right quality of patients. Number needed to treat 27 which if you look at the average number of transfusions in air ambulance service in the UK is providing per week per month per year.