Figure 2.

Time course of sequential organ failure assessment (SOFA) score during the first two weeks in the intensive care unit (ICU) in patients who were readmitted to the ICU. Closed circles = scores during the initial stay; closed triangle = score during the first readmission. *p < 0.05 compared with initial stay (Mann Whitney U test); †p < 0.05 over time (Friedmann test).