• Rodrigo Conlledo, Álvaro Rodríguez, Javiera Godoy, Carlos Merino, and Felipe Martínez.
• Universidad de Valparaíso, Valparaíso, Chile. rodrigoconlledo@hotmail.com
• Rev Chilena Infectol. 2012 Apr 1;29(2):192-9.

BackgroundThere are no studies probing if patients in sepsis or septic shock with lower levels of total plasmatic globulins and/or lymphocyte count have higher mortality.Patients And MethodProspective cohort study of 103 patients admitted in Intensive Care Unit followed daily at the Dr. Gustavo Fricke Hospital between June and November of 2009, with sepsis or septic shock criteria.ResultsThere was association between mortality and lymphocytic count measured from the third day of their hospitalization (P < 0.05), but not when compared with the plasmatic globulin measurements (P > 0.05). The area under ROC curve for the mean lymphocyte count at the third day was 0.68 (95% CI 0.53-0.82), with a sensitivity of 75%, specificity of 52%, LR(+) 1.57 and LR(-) 0.48 for a cut-off at 510 lymphocytes/mm³, behaving also as an independent risk factor of mortality (OR 3.67, 95% CI 1.03-13.1).DiscussionLymphocyte count is early and independently associated with increased mortality in patients with sepsis or septic shock.

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