Figure 3From: Virus-associated hemophagocytic syndrome as a major contributor to death in patients with 2009 influenza A (H1N1) infectionKaplan-Meier curve showing estimated survival rates of patients with 2009 influenza A (H1N1) infection with or without virus-associated hemophagocytic syndrome (VAHS). P = 0.004 by log-rank analysis.Back to article page