KM=Kaplan-Meier; ITT=intention-to-treat; NNT=number needed to treat.Figures 1 through 3 reprinted from The Lancet [Epub ahead of print Nov. 7, 2012], Teerlink JR et al. Serelaxin, Recombinant Human Relaxin-2, for Treatment of Acute Heart Failure (RELAX-AHF): A Randomised, Placebo-Controlled Trial.Copyright 2012, with permission from Elsevier.