Comparison of PLT:WBC. SAE/NOM, successful non-operative management after splenic angioembolization; SAE/SPLEN, splenectomy after splenic angioembolization; PLT:WBC, ratio of platelet count to white blood cell count. Comparison of PLT:WBC. SAE/NOM, successful non-operative management after splenic angioembolization; SAE/SPLEN, splenectomy after splenic angioembolization; PLT:WBC, ratio of platelet count to white blood cell count. John F Bilello et al. Trauma Surg Acute Care Open 2018;3:e000159 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.