BACKGROUNDRed Cell Distribution Width (RDW) is widely available to clinicians, because it is routinely reported as part of complete blood count. Several studies have reported that RDW is closely related to outcome in critically ill patients. Severe sepsis and septic shock are increasing in incidence and contributing significantly to mortality. Prediction of outcome for patients with sepsis using easily available and reliable marker may facilitate more aggressive interventions made at appropriate time. We studied this correlation and whether changes in Red cell distribution width reflects acute changes in disease progression.

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