Fig. 2From: Anti-Xa activity and hemorrhagic events under extracorporeal membrane oxygenation (ECMO): a multicenter cohort studyTwo hourly mean anti-Xa activity evolution during the first two days. Precisely timed data on anti-Xa levels was only available during the first 48 h. The bars represent standard deviations. p = 0.04 by repeated measures regression analysisBack to article page