March 2, 2020
Severity Grading Tool for Blood Donor Adverse Events
The severity assignment tool is designed to be used with the Standard for Surveillance of Complications Related to Blood Donation published in 2014 by ISBT/AABB/IHN. Severity assignment can be hampered by subjectivity; this tool was created to enhance objective assignment of severity. The Severity assignment is patterned after an established clinical severity scale. Common Terminology Criteria for Adverse Events (CTCAE1) v 5.0, which rates severity by Grades 1-5 with 1 through 5 being roughly associated with mild, moderate, severe, life-threatening and death.