... in a medical intensive care unit. Crit Care Med 2000,28:977-983.9. Reinhart K, Meisner M, Hartog M: Procalcitonin as a marker ofthe systemic inflammatory response to infection. Intensive Care ... variance, or the Kruskal-Wallis test to compare the differences between the three groups. ICU, intensive care unit; SIRS, systemic inflammatory response syndrome group.Available online http://ccforum.com/content/12/2/R59Page ... 1Patients included and excluded from the studyPatients included and excluded from the study. ICU, intensive care unit; SIRS, systemic inflammatory response syndrome.Critical Care Vol 12 No 2 Abidi...