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. 2017 Jul-Aug;34(4):330-335.
doi: 10.4103/lungindia.lungindia_54_16.

Predictors of mortality of severe sepsis among adult patients in the medical Intensive Care Unit

Aziz Kallikunnel Sayed Mohamed  1 , Asmita Anilkumar Mehta  1 , Ponneduthamkuzhy James  1
Affiliations

Predictors of mortality of severe sepsis among adult patients in the medical Intensive Care Unit

Aziz Kallikunnel Sayed Mohamed et al. Lung India. 2017 Jul-Aug.

Abstract

Background: Sepsis is an important cause of mortality in the Intensive Care Units (ICUs) worldwide. Information regarding early predictive factors for mortality and morbidity is limited.

Aims and objectives: The primary objective of the study was to estimate the mortality of severe sepsis among adult patients admitted into the medical ICU. The secondary objective was to identify the predictors associated with mortality.

Materials and methods: Adult patients admitted with severe sepsis in the medical ICU were studied. The primary outcome was the mortality among the study population. Baseline demographic, clinical, and laboratory data were recorded upon inclusion into the study. Risk factors associated with mortality were studied by univariate analysis. The variables having statistical significance were further included in multivariate analysis to identify the independent predictors of mortality.

Results: Out of eighty patients, 54 (67.5%) died. Univariate analysis showed that age >60 years, tachycardia, hypotension, elevated C-reactive protein (CRP) and lactate, thrombocytopenia, need of mechanical ventilation, and high Acute Physiology and Chronic Health Evaluation (APACHE) II and Sequential Organ Failure Assessment scores were variables associated with high mortality. The independent predictors of mortality identified by multivariate regression analysis were platelet count below 1 lakhs, serum levels of CRP >100, APACHE II score >25 on the day of admission to the ICU with severe sepsis, and the need for invasive mechanical ventilation.

Conclusions: Low platelet count, elevated serum levels of CRP, APACHE score >25, and the need for invasive mechanical ventilation were found to be independent predictors of mortality of severe sepsis among adult patients with severe sepsis in the medical ICU.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Pie chart showing mortality
Figure 2
Figure 2
Pie chart showing organisms isolated
Figure 3
Figure 3
Receiver operating characteristic curve for Acute Physiology and Chronic Health Evaluation II score
Figure 4
Figure 4
Receiver operating characteristic curve for Sequential Organ Failure Assessment score
See this image and copyright information in PMC

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