The Survival Curves, With Data Censored at 90 Days, in the Two Intervention Groups in the Intention-to-Treat Population. From The New England Journal of Medicine, Lars B. Holst et al, Lower versus Higher Hemoglobin Threshold for Transfusion in Septic Shock, 371, 1381-91. Copyright © 2014 Massachusetts Medical Society. Reprinted with permission from Masschusetts Medical Society.