Fig. 4From: Prognostic significance of APACHE II score and plasma suPAR in Chinese patients with sepsis: a prospective observational studyKaplan-Meier estimates of survival of patients stratified into four strata of severity. Every stratum differed significantly from the others. P = 0.002 by the log-rank test within the four defined strata. APACHE II, Acute Physiology and Chronic Health Evaluation II; suPAR, soluble urokinase plasminogen activator receptorBack to article page