id author title date pages extension mime words sentences flesch summary cache txt cord-331700-5rfgyiit Martin, Greg Epidemiology studies in critical care 2006-04-04 .txt text/plain 1150 57 37 Longitudinal epidemiology studies convey an important additional aspect of the healthcare burden from disease, and may additionally serve to compare the effectiveness and efficiency of healthcare systems, to examine specific patient care strategies and to perform quality control analyses. Data of this kind are essential for determining the optimal ICU utilization for a given condition, tracking the effectiveness and efficiency of healthcare systems according to changes in disease incidence or outcome, and for planning research studies according to the characteristics of the disease. In the present issue of Critical Care, investigators from the Intensive Care National Audit and Research Center report the results of a longitudinal study of severe sepsis encompassing England, Wales and Northern Ireland in the past 10 years [1] . EPISEPSIS: a reappraisal of the epidemiology and outcome of severe sepsis in French intensive care units Epidemiology of severe sepsis in the United States: analysis of incidence, outcome, and associated costs of care ./cache/cord-331700-5rfgyiit.txt ./txt/cord-331700-5rfgyiit.txt