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Importance of qSOFA Score in Terms of Prognosis and Mortality in Critical Care Patients
Yahya Kemal Günaydın1, Dilber Üçöz Kocaşaban1, Sertaç Güler1
1University of Health Sciences Ankara Training and Research Hospital, Ankara, Turkey.
Background:
Recent studies have analyzed the qSOFA (quick sequential organ failure assessment) score as a prognostic indicator in many diseases, particularly sepsis. However, the effect of qSOFA score on prognosis and mortality in critical care patients has not been sufficiently analyzed. There is not enough data, especially regarding its use as critical care mortality and prognosis scoring. In this study, we aimed to analyze the effect of qSOFA score on mortality and prognosis in critical care unit (CCU) patients.
Methods:
This study was conducted retrospectively using the chart review method. The APACHE II (Acute Physiology and Chronic Health Evaluation II) and SOFA (Sequential Organ Failure Assessment) scores of patients admitted to our CCU were compared with the qSOFA score. In addition, the need for intubation and mechanical ventilation, short- and long term mortality rates, the relationship between blood gas lactate values and qSOFA score were analyzed.
Results:
A total of 1816 patients were included in the study. During critical care follow-up, 374 (20.6%) of our patients died, and at the end of 6 months, 796 (43.8%) of our patients died. A statistically significant association was found between in-hospital mortality and qSOFA, SOFA scores and lactate levels (P = 0.001, P = 0.001, P = 0.01 respectively). A statistically significant association was found between 6-month mortality and SOFA score only. (P = 0.001) The SOFA score appeared to be the most successful predictor of mortality. The cut-off for mortality using the ROC curve was ≥ 7 [sensitivity 78.1%; specificity 85.9%; AUC 0.91; 95% confidence interval (CI), 0.89 to 0.92; P = 0.001]. qSOFA scoring also performed well. The cut-off value for mortality using the ROC curve was ≥ 2 (sensitivity 42.5%; specificity 93.9%; AUC 0.83;95% CI, 0.80-0.85; P = 0.001).
Conclusion:
We believe that the qSOFA score can be used as a marker for in-hospital mortality and prognosis in critical care patients. Especially in cases where the qSOFA score is ≥ 2, it provides valuable information regarding mortality and prognosis.
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