The PAF is the proportion of cases for an outcome of interest that can be attributed to a given risk factor among the entire population.2 Despite this clear description, it is not rare to find studies ...
[11] Asymptomatic Carotid Stenosis. Asymptomatic carotid stenosis has a prevalence of 2%-8% and an attributable risk for stroke of 2%-7% with an RR of two. The ischemic events rate seems to be ...
Step 1 calculated the at-risk population. In step 2, the proportion of ARDS cases attributable to pRBC transfusion was estimated. Step 3 computed excess annual ARDS cases related to transfusion.