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The C-Reactive Protein/Albumin Ratio as an Independent Predictor of Mortality in Patients with Severe Sepsis or Septic Shock Treated with Early Goal-Directed Therapy

 Min Hyung Kim ; Jin Young Ahn ; June Myung Kim ; Young Sam Kim ; Jun Young Choi ; Young Goo Song ; Sang Hoon Han ; Nam Su Ku ; Su Jin Jeong ; Sun Bean Kim ; Yong Duk Jeon ; Jung Ho Kim ; Jae Kyoung Kim ; Hea Won Ann ; Heun Choi ; Je Eun Song 
 PLoS One, Vol.10(7) : e0132109, 2015 
Journal Title
 PLoS One 
Issue Date
BACKGROUND: Sepsis, including severe sepsis and septic shock, is a major cause of morbidity and mortality. Albumin and C-reactive protein (CRP) are considered as good diagnostic markers for sepsis. Thus, initial CRP and albumin levels were combined to ascertain their value as an independent predictor of 180-day mortality in patients with severe sepsis and septic shock. MATERIALS AND METHODS: We conducted a retrospective cohort study involving 670 patients (>18 years old) who were admitted to the emergency department and who had received a standardized resuscitation algorithm (early goal-directed therapy) for severe sepsis and septic shock, from November 2007 to February 2013, at a tertiary hospital in Seoul, Korea. The outcome measured was 180-day all-cause mortality. A multivariate Cox proportional hazard model was used to identify the independent risk factors for mortality. A receiver operating characteristic (ROC) curve analysis was conducted to compare the predictive accuracy of the CRP/albumin ratio at admission. RESULTS: The 180-day mortality was 28.35% (190/670). Based on the multivariate Cox proportional hazard analysis, age, the CRP/albumin ratio at admission (adjusted HR 1.06, 95% CI 1.03-1.10, p<0.001), lactate level at admission (adjusted HR 1.10, 95% CI 1.05-1.14, p<0.001), and the Sequential Organ Failure Assessment (SOFA) score at admission (adjusted HR 1.12, 95% CI 1.07-1.18, p<0.001) were independent predictors of 180-day mortality. The area under the curve of CRP alone and the CRP/albumin ratio at admission for 180-day mortality were 0.5620 (P<0.001) and 0.6211 (P<0.001), respectively. CONCLUSION: The CRP/albumin ratio was an independent predictor of mortality in patients with severe sepsis or septic shock.
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