Fig. 2
From: Effect of continuous hemodiafiltration using an AN69ST membrane in patients with sepsis
Survival rates among subgroups stratified according to Acute Physiology and Chronic Health Evaluation II (APACHE II) score without kidney score. AN69ST acrylonitrile-co-methallyl sulfonate surface-treated, NS not significant, PMMA poly(methyl methacrylate)