Fig. 2From: Comparison of extracorporeal membrane oxygenation outcome for influenza-associated acute respiratory failure in Japan between 2009 and 2016Kaplan–Meier curves for the overall survival rates. Kaplan–Meier curves showing the overall survival rates in each group. The thick solid line indicates the patients in 2016, and the narrow dotted line indicates the patients in 2009. There was a significant difference between the groups (p = 0.007)Back to article page